50 results about "Arthroplasty replacement" patented technology

A dimensioned grid apparatus for determining: 1) leg length, offset, and cup position during arthroplasty replacement surgery; 2) fracture reduction / correction position during trauma procedures and 3) an apparatus to be used for deformity correction planning is provided.

A computer implemented system for adjusting the placement of an implant in a patient through the use of a dimensioned grid template placed relative to patient anatomy on a fluoroscopic machine and a method to digitally quantify alignment parameters is provided. This system can be used for determining: 1) leg length, offset, and cup position during arthroplasty replacement surgery; 2) fracture reduction / correction position during trauma procedures and 3) an apparatus to be used for deformity correction planning is provided; 4) placement and positioning of instruments and implants relative to bone and anatomical architecture; 5) bone anatomy boundary parameter identification relative to reaming and cutting landmarks of bone.

A kit for use in performing a trail reduction in joint arthroplasty is provided. The kit includes a trail stem assembly including a first component, a second component selectably moveable with respect to the first component, and a fastener for securing the first component to the second component. The kit also includes an articulating trial component removeably fixedly secured to the trail stem assembly and a driver for cooperation with the fastener to secure the first component to the second component. The kit also includes a handle. The handle has a first feature for permitting the driver to pass through the handle and a second feature for orientably connecting the handle to the articulating trial component.

A computer implemented system for adjusting the placement of an implant in a patient through the use of a dimensioned grid template placed relative to patient anatomy on a fluoroscopic machine and a method to digitally quantify alignment parameters is provided. This system can be used for determining: 1) leg length, offset, and cup position during arthroplasty replacement surgery; 2) fracture reduction / correction position during trauma procedures and 3) an apparatus to be used for defomity correction planning is provided; 4) placement and positioning of instruments and implants relative to bone and anatomical architecture; 5) bone anatomy boundary parameter identification relative to reaming and cutting landmarks of bone.

The invention relates to the technical field of medical instruments, in particular to a multi-degree-of-freedom knee joint fixing support in knee joint arthroplasty. The multi-degree-of-freedom knee joint fixing support in the knee joint arthroplasty comprises a bottom support, an X-axis direction moving mechanism, a Z-axis direction rotating mechanism, a foot support mechanism and an X-axis direction rotating mechanism, the X-axis direction moving mechanism is arranged at the upper end of the bottom support and can move at the upper end of the bottom support in the X-axis direction, the Z-axis direction rotating mechanism is connected with the X-axis direction moving mechanism, the X-axis direction rotating mechanism is connected with the Z-axis direction rotating mechanism, and the foot support mechanism is connected with the X-axis direction rotating mechanism. The multi-degree-of-freedom knee joint fixing support can move in the X-axis direction and rotate in the X-axis direction and the Z-axis direction, multi-angle adjustment is achieved, the situation that a doctor adjusts and protects the soft tissues and ligaments of the knee joint through a retractor is replaced, and the problem of knee joint exposure can be well and stably solved.

The invention discloses a tendon suture system for joint replacement, which comprises a joint prosthesis, a suturing device, a locking structure and a bone thread system. The joint prosthesis has an outer convex surface, and an installation groove is arranged on the outer convex surface; The appliance has a first end and a second end, the first end is provided with a suture hole, the shape of the second end matches the installation groove, so that the second end can be embedded in the installation groove; the locking structure is used to The stapler is fixed on the joint prosthesis without loosening; the bone thread system is used to fix the joint prosthesis to the external diaphysis. The invention can effectively combine the suturing device and the joint prosthesis, and fix the combined assembly on the joint backbone, while smoothly ensuring the continuity of the tendon at the wounded part, which is beneficial to the health of the tendon after operation and does not shift. The invention is used in joint replacement surgery.

The invention relates to the technical field of medical information processing, in particular to a method and system for determining the thighbone length in hip replacement arthroplasty, and the method comprises the steps: obtaining a normal leg CT image obtained by carrying out CT scanning on the leg part of a normal leg of a patient, and determining the length of the leg part of the patient according to the normal leg CT image so as to determine the length of a femur neck prosthesis; performing spatial positioning on the highest point of the femoral ball and the osteotomy surface of the leg implanted with the femoral neck prosthesis by adopting an optical sensor so as to determine a first relative distance between the highest point of the femoral ball and the osteotomy surface in real time; adopting an optical sensor to conduct spatial positioning on the anterior superior spine of the leg where the femoral neck prosthesis is implanted and the planta pedis so as to determine the second relative distance between the anterior superior spine and the planta pedis in real time; finally, the length of the femoral head prosthesis implanted into the leg of the patient is determined, so that the second relative distance and the length of the leg of the patient are within the allowable deviation range, and the accuracy and speed of the length of the femoral neck in hip replacement can be effectively improved.

A prosthetic knee implant system includes a prosthetic femoral component and a prosthetic tibial component. The femoral component includes a lateral condyle, a medial condyle, a bone-contacting surface that may be formed of porous metal, and an articular surface that may be formed of PAEK / PEEK. The tibial component includes medial and lateral condylar portions, a bone-contacting surface that may be formed of porous metal, and a second surface opposite the bone-contacting surface. Recesses extend a depth into the second surfaces of the medial and lateral condylar portions. Medial and lateral bearing inserts with flat proximal faces are positioned with the recesses of the medial and lateral condylar portions. Flexible medial and lateral meniscal components are positioned to surround the medial and lateral inserts, respectively, and extend proximal to the second surface of the insert.

The utility model discloses a prosthesis extractor for hip joint replacement. The prosthesis extractor comprises a cylinder body used for clamping a hip joint prosthesis cylindrical section, and is characterized in that the first end of the cylinder body is sleeved with the prosthesis cylindrical section, and a long rod for locking the prosthesis cylindrical section in the radial direction is arranged on the side wall of the cylinder body in the radial direction of the cylinder body; an axial locking mechanism for axially locking the prosthesis cylindrical section is arranged in the cylinder body along the axial direction of the cylinder body; and a clamping groove for a doctor to grab the cylinder body is formed in the outer wall of the cylinder body. During use, coaxial fixation of the hip joint prosthesis and the cylinder body is achieved through the long rod and the axial locking mechanism, and then the doctor pulls out the hip joint prosthesis from the body of a patient through the groove in the outer wall of the cylinder body.

Disclosed are improved orthopedic tools and methods for use during orthopedic surgical procedures, including joint arthroplasty and joint replacement procedures. More specifically, disclosed herein are improved apparatus for preparing bone and / or soft tissue of the spine and / or other regions for implantation of intervertebral implants.

The invention discloses a traditional Chinese medicine prescription for preventing and treating deep vein thrombosis after arthroplasty and a preparation method thereof. 10‑20 parts of Danshen, 10‑20 parts of Ophiopogon japonicus, 6‑15 parts of orange peel and 15‑30 parts of Achyranthes knuckle. The raw materials of the invention come from a wide range of sources. The decoction is prepared by decocting multi-flavored traditional Chinese medicine raw materials. The combination of various medicines can benefit qi and blood circulation, reduce swelling and relieve pain. It has a significant effect on preventing and treating deep vein thrombosis after joint replacement. Has positive social benefits.

The invention provides a skin ginseng foam lotion composition, which is composed of the following components in proportion by weight: 12-18 parts of Kochia scoparia, 25-35 parts of Smilax smilax, 25-35 parts of Pittosporum bark, 25 parts of Lonicerae vine ~35 copies, 25~35 copies of Sophora flavescens, and 10~20 copies of Liu Jinu. It also discloses the soaking method of the Fushen Bubble Lotion prescription and the use of the Fushen Bubble Lotion prescription in skin preparation before joint replacement surgery; the traditional Chinese medicine bubble wash of the present invention is effective for skin preparation before joint replacement surgery. Improve local microcirculation, shorten incision redness and swelling time, prevent postoperative superficial infection of surgical incision, reduce incision inflammatory reaction, shorten patient's hospital stay, improve sleep quality, accelerate postoperative recovery and improve clinical treatment effect of surgery. Applying traditional Chinese medicine foot bath to surgical skin preparation can remove pathogenic bacteria at the surgical site, reduce wound inflammatory reactions, shorten the hospital stay, accelerate postoperative recovery and improve the clinical effect of surgery. This therapy is safe, effective, and has no adverse reactions. It is a kind of green therapy and a characteristic therapy of traditional Chinese medicine that is worth promoting.

The invention discloses a measurement system and method for acetabular anteversion and abduction angle in hip joint replacement. The reference module is used to describe the posture of the pelvic reference plane, including a reference base, a reference end cover, a switch, a battery and a reference circuit board; the reference base is provided with battery mounting holes, reference circuit board mounting holes, switch fixing slots and The reference end cover fixing hole position; the battery and the reference circuit board can be fixed in the base, the switch can be fixed on the side of the reference base, and the reference end cover is fixed above the reference base as the Mounting enclosure for the reference module. The invention has the advantages of low cost, good compatibility, simple installation and easy operation, and is suitable for popularization and application in various hospitals.