3603 results about "Orthopedic department" patented technology

A screw and coupling element assembly for use with an orthopedic rod implantation apparatus includes a screw with a head and a shaft extending from the head, a coupling element with a seat within which the head is seatable such that the shaft protrudes from the coupling element, and a locking element mateable with the coupling element and when mated is selectively movable through a plurality of positions including unlocked and locked positions. When in the unlocked position, the locking element presents a rod-receiving channel and the head is movable in the seat such that the shaft is directable in a plurality of angles relative to the coupling element. When in the locked position, a rod disposed within the rod-receiving channel is fixed relative to the coupling element and the head is immovable in the seat such that the shaft is fixed at an angle relative to the coupling element.

An injectable and moldable putty comprising biodegradable calcium-based compounds including calcium sulfate, hydroxyapatite, and tricalcium phosphate is invented. The putty hardens into a solid body when mixed with water, saline, serum, or other neutral aqueous solutions. The hardening time of the putty can be tailored in order to meet the specific requirements of various dental or orthopedic applications. The pH of the putty is neutral during and after mixing. The invented putty may be used as bone graft, bone implant, or implantable drug delivery device.

The present invention relates to trans-capsularly administering into a diseased joint a high specificity antagonist selected from the group consisting of: i) an inhibitor of a pro-inflammatory interleukin; ii) an inhibitor of TNF-α synthesis; iii) an inhibitor of membrane-bound TNF-α; iv) an inhibitor of a natural receptor of TNF-α; v) an inhibitor of NO synthase,

• • vi) an inhibitor of PLA₂ enzyme; vii) an anti-proliferative agent; viii) an anti-oxidant; ix) an apoptosis inhibitor selected from the group consisting of EPO mimetic peptides, EPO mimetibodies, IGF-I, IGF-II, and caspase inhibitors, and x) an inhibitor of MMPs; and xi) an inhibitor of p38 kinase.

Embodiments of the present application relate generally to provisional orthopedic components, and specifically, to a trial system including a cam module (10) and a trial femoral component (100) that can be used during joint replacement surgery. The systems and methods described help a surgeon prepare a patient's bone to receive a permanent implant by providing a system that can be used to guide preparatory box cuts, and that can then be completed with a cam module (10)—without removal from the patient's bone—so that the same component can be used for the trialing process.

An orthopedic implant with a diffusion-hardened surface on non-load bearing areas of the implant for interaction with non-load bearing surfaces of a polymeric bio-compatible material, such as UHMWPE. The orthopedic implant is a posterior stabilized knee prosthetic and system where a coating of oxidized zirconium is formed in the cam of the femoral prosthetic for interaction with the central post of a polymeric tibial insert. The diffusion-hardened surface of the orthopedic implant provides a strengthened cam and reduction in wear in the central post of the polymeric tibial insert.

A prosthesis includes: a body including a first major surface for engaging an endplate of a first vertebral bone of a spine, a second major surface for engaging an endplate of an adjacent, second vertebral bone of the spine; at least one aperture extending from within the body and opening at the first major surface; at least one anchoring element disposed within the aperture and including a shaft having proximal and distal ends; and a drive mechanism engaging the proximal end of the at least one anchoring element and operating to push the at least one anchoring element out through the at least one aperture and into the first vertebral bone, without rotating the at least one anchoring element about an axis thereof.

A prosthetic hip installation system comprising a reamer, an impactor, a tracking element, and a remote system. The tracking element can be integrated into the reamer or impactor for providing tracking data on the position or orientation. Alternatively, the tracking element can be housed in a separate module that can be coupled to either the reamer or impactor. The tracking element will couple to a predetermined location. Points in 3D space can be registered to provide a frame of reference for the tracking element or when the tracking element is moved from tool to tool. The tracking element sends data from the reamer or impactor wirelessly. The remote system receives the tracking data and can further process the data. A display on the remote system can support placement and orientation of the tool to aid in the installation of the prosthetic component.

Compositions for use in treating and repairing orthopedic defects are provided. The compositions are especially useful for performing percutaneous vertebroplasty, percutaneous kyphoplasty and other procedures. When cured, the compositions are relatively solid but compressible, and prior to curing are viscous liquids with a low enough viscosity to fill voids in cavities such as voids within fractured vertebrae. Optionally, the properties of a composition according to the invention can be adjusted taking into account the hardness and density of the orthopedic structure to be repaired. Also disclosed are devices and methods for using the compositions, and a kit containing components for forming and utilizing the composition.

The invention relates to leg exercise equipment, and in particular to leg exercise equipment for rehabilitation of a patient of orthopedics department. The invention aims at solving the technical problem of providing the leg exercise equipment for rehabilitation of the patient of orthopedics department, which is relatively convenient to adjust, relatively low in exercise difficulty and capable ofimplementing massaging. In order to solve the technical problem, the leg exercise equipment for rehabilitation of the patient of orthopedics department provided by the invention comprises a base plateand the like, wherein a vertical plate is arranged at the left side of the top of the base plate; a lifting mechanism is arranged at the top of the vertical plate; a seat plate is arranged at the topof the lifting mechanism; and a leg exercise mechanism is arranged at the right side of the top of the base plate. According to the leg exercise equipment provided by the invention, the height of theseat plate can be adjusted via the lifting mechanism; leg exercise can be implemented via the leg exercise mechanism; patient's calves can be massaged via the calf massaging mechanism; and back massaging can be implemented via a back massaging mechanism; therefore, effects of guaranteeing relatively convenient adjusting and relatively low exercise difficulty and implementing massaging can be achieved.

The invention provides a double safety and effectiveness inspection method of human lumbar bone and implant, and belongs to the field of medicine. The method comprises the following steps: acquiring a 3D (three-dimensional) rendering model of lumbar body bone, lumbar disc and interspinous ligament by a 3D reconstruction technology; performing 3D grid division to the 3D rendering model, and giving attributes of a heterogeneous material to the 3D rendering model; performing 3D modeling to an implant; assembling the lumbar body bone, the lumbar disc, the interspinous ligament and the implant, and analyzing stress and strain of the assembly by adopting uniformly distributed nodal load through a finite element analysis method; simulating visible finite element analysis by a computer before the implant is implanted into a human body. Therefore, the verification requirement to bone and implant double safety and effectiveness can be fulfilled, the damage of the implant to original human lumbar bones can be prevented, double safety and effectiveness of the bones and implant can be guaranteed, the manufacture cost can be effectively reduced along with convenience and quickness, and individual and industrial manufacturing of a human lumbar bone implant can be realized. The method is applicable in the field of implant stress-strain analysis in the orthopedics department.

The present invention is generally directed to orthopedic fixation devices that comprise a coupling element and a bone fastener, whereby the bone fastener can be loaded into the coupling element through the bottom of a bore in the coupling element. The orthopedic fixation devices described herein can include modular locking clamp assemblies that can be fixed onto fasteners that are already implanted in bone. The modular locking clamp assemblies can include polyaxial locking clamp assemblies, as well as monoaxial locking clamp assemblies.

The invention discloses a controlled-release multilayer drug-loaded artificial bone and a preparation method thereof. The controlled-release multilayer drug-loaded artificial bone is a multilayer structure which is coated layer by layer and is composed of artificial bone carrier materials loaded with drugs or a multilayer structure which is coated layer by layer and is formed by alternately arranging the artificial bone carrier materials loaded with the drugs and artificial bone carrier materials loaded with no drugs; the outline of the controlled-release multilayer drug-loaded artificial bone can be cylindrical, cuboid, square or irregular; and the artificial bone carrier materials loaded with the drugs at different layers comprise the same or different drugs. The controlled-release multilayer drug-loaded artificial bone is prepared by adopting a three-dimensional stereoscopic printing rapid prototyping technology, and the drugs distributed at the different layers are released from outside to inside layer by layer, thereby being capable of realizing multidrug combined action, regulating the releasing sequence and time of the drugs and selecting appropriate drugs to load so as to achieve the individualized treatment goal. The invention can be applied to carrying out local chemotherapy and filling and repairing bone coloboma after eradication focuses of various infections, concretions, tumours and the like of the orthopedics department.

The invention relates to a CaP (Calcium Phosphate)/collagen composite biologic ceramic material and a preparation method thereof. The composite biologic ceramic is prepared by adopting a porous calcium phosphate ceramic as the substrate and I-type collage as the toughening reinforcing phase in a vacuum negative pressure pouring and crosslinking mode. The process is as follows: firstly, preparing the first type through porous calcium phosphate ceramic, wherein the porosity is 60-95%; dipping the porous calcium phosphate ceramic into a collagen solution of which the concentration is 5-20mg/ml; and vacuuming to 0-10Pa at normal temperature and pouring, keeping the pressure for 1-3 hours and carrying out ultrasonic oscillation. The vacuum negative pressure pouring process can be repeated according to demands. The calcium phosphate ceramic poured with the collagen is frozen and dried to prepare the composite biologic ceramic after being subjected to crosslinking. The prepared biologic ceramic has good biocompatibility and biological activity, and at the same time has a mechanical strength better than that of a pure calcium phosphate ceramic material, so that the biologic ceramic can be used as artificial bones and bone tissue engineering bracket materials, and has wide clinical application prospects in orthopedics.

The invention provides a nail taking device used in the orthopedics department. The nail taking device comprises a base, wherein a column is arranged on one side of the base, a height adjusting device is arranged on the column and is connected and arranged on a lifting plate above the base, two guiding shafts are fixed to the upper surface of the lifting plate, a motor fixing plate is arranged above the lifting plate and is in sliding fit with the guiding shafts, a lifting motor is fixed above the motor fixing plate and is connected with a first lead screw located below the lifting motor through a coupler, the first lead screw is matched with the lifting plate in a threaded mode, the lower end of the first lead screw penetrates through the lifting plate, and a pneumatic clamping mechanism is installed at the lower end. The nail taking device used in the orthopedics department is convenient to use, can clamp a screw and then rotatably pull out the screw and has the advantages of making nail taking convenient and being quick, convenient and efficient.

The present invention relates to the field of orthopedics, in particular, to an orthopedic support garment. The orthopedic garment includes a garment body made of stretchable fabric and configured to be worn in a form-fitting manner on the upper body of a wearer. The garment body has a front body portion, a rear body portion joined to the front body portion, and right and left sleeve portions attached to the front and rear body portions. Also provided is at least one tensor band laid out along one of the front and rear body portions in a manner intended to substantially correspond to at least one of the fascial lines extending along the upper body of the wearer. When the garment is worn by the wearer, the at least one tensor band may be placed in tension so as to provide proprioceptive feedback to the wearer during movement.

The invention relates to an orthopedics-department operating system and a control method thereof. The orthopedics-department operating system comprises medical imaging equipment, a surgery robot workstation and a display device and is characterized in that the medical imaging equipment collects the in-vivo three-dimensional image data and the real-time in-vivo two-dimensional image data of the bone fracture area of a patient; the workstation fuses the in-vivo three-dimensional image data and the real-time in-vivo two-dimensional image data and generates a navigation image, and the display device displays the navigation image. The orthopedics-department operating system and the control method thereof have the advantages that real-time 3D image navigation is provided for a doctor, and the doctor does not need to reconstruct the 3D model of the bone fracture area of the patient by the aid of experience.

The invention provides a navigation device in an orthopedics department, and belongs to the technical field of medical apparatuses and instruments. The navigation device solves the technical problem that an existing navigation device in the orthopedics department is large in size, inconvenient to use and short in service life. According to the technical scheme, the navigation device in the orthopedics department comprises a movable box body. A first movable mechanism, a second movable mechanism and a control mechanism are arranged on the movable box body. A photoelectric tracking instrument and a first displayer are movably installed on the first movable mechanism. A second displayer is movably installed on the second movable mechanism. The photoelectric tracking instrument and the second displayer can be respectively and automatically reset. The navigation device in the orthopedics department has the advantages that a real-time image is tightly combined with the operation process, the real-time tracking and the operation are carried out in an all-dimensional and full-angle mode, the operation process is easier and rapider, a doctor can more rapidly and successfully complete the operation, and the navigation device is more tightly combined with the modern operation in the orthopedics department.

A trial device and a method for using the device in surgery are disclosed. The device includes a body including a proximal portion and a distal portion. The proximal portion has a post or trunion projecting therefrom. The distal portion extends from the proximal portion and includes a first arm and a second arm, the first and second arms being moveable with respect to one another. The body further includes a cavity formed therein so as to extend through the proximal portion and into the distal portion. The device further includes a driver adapted for sliding engagement within the internal cavity of the body such that movement of the driver, preferably in a distal direction, causes movement of a portion of the first arm away from a portion of the second arm.