279results about How to "Good for postoperative recovery" patented technology

A hooked steel plate for treating the bone fracture and luxation of sternoclavicular joint is a curved steel plate with a L-shaped hook at its one end and a flat arc structure and another end.

The invention discloses an auxiliary knee arthroplasty clearance balance tool. The clearance balance tool includes a first assembly and a second assembly; the first assembly includes a base and a columnar rod perpendicular to the base; the second assembly includes a first board and a second board, the first board and the second board are perpendicularly arranged, the second board is perpendicularto the upper surface of the base, and a hollow short column is in pivot joint with the front wall surface of the second board and is provided with a through hole. The first assembly and the second assembly are movably connected to the hollow short column through the columnar rod; a distance measurement mechanism is arranged on the upper surface of the base. The tool is simple and practical, and therefore an assistance can be provided for improving the accuracy of surgery.

The invention relates to the technical field of medical prostheses and discloses a toe joint prosthesis. The toe joint prosthesis comprises a first intramedullary nail prosthesis and a second intramedullary nail prosthesis hinged to the first intramedullary nail prothesis; the first intramedullary nail prothesis comprises a first intramedullary nail arranged inside a medullary cavity, and a secondintramedullary nail connected with the first intermedullary nail and arranged outside the medullary cavity, wherein the second intermedullary nail is hinged to the second intermedullary nail prothesis; the first intermedullary nail and / or the second intermedullary nail and / or the outer surface of the second intermedullary nail prosthesis are provided with three-dimensional porous structure layers. The outer surface of the toe joint prosthesis can acquire good bone ingrowth capacity and good bone creeping capacity, so that the toe joint prosthesis can be more stable in fixation.

The invention discloses a cobalt-chromiun-molybdenum thoracolumbar posterior screw-rod system. The cobalt-chromiun-molybdenum thoracolumbar posterior screw-rod system comprises pedicle screws, rectangular rods and plug screws. Different parts are prepared from a cobalt-chromiun-molybdenum material, a titanium alloy material and a pure titanium material, under the condition that the stress intensity required by the system is ensured, the sizes of the parts in the system are reduced, and the harm to the human body is reduced. Meanwhile, through the design of matching structures of concrete structures, the combination of the system and the spine is more stable, and the use effect is improved.

The invention provides a special-shaped vertebral body expansion balloon catheter, which relates to a surgical instrument used for treating compression fracture of the vertebral body and comprises a special-shaped expandable balloon, an inner catheter, an outer catheter, a Y-shaped handle, a development mark, a support wire and a support wire handle, wherein the inner catheter is arranged and inserted in the outer catheter, the back part of the outer catheter is arranged and inserted into the Y-shaped handle in a sealed way, the special-shaped expandable balloon is arranged at the front part of the outer catheter in a sealed way, the development mark is arranged in a position of the inner catheter positioned inside the special-shaped expandable balloon, the support wire is formed in the support wire handle through injection molding, is inserted and arranged in the inner catheter through the Y-shaped handle, and is used for supporting, and the inner catheter is prevented from deforming. The special-shaped expandable balloon consists of an expandable balloon and reinforcing ribs made of fiber, and the reinforcing ribs are formed inside the expandable balloon through injection molding. The reinforcing ribs of the special-shaped expandable balloon adopt carbon fiber, macromolecular polyethylene fiber, memory array wires or plastic nylon materials.

The invention relates to a universal stabilizer used between spinous processes, and belongs to the technical field of medical apparatus and instruments such as implants in the human body. The universal stabilizer is composed of an upper fixing plate, a lower fixing plate and an elastic structure. The upper fixing plate and the lower fixing plate are connected through the elastic structure, the middle of the upper fixing plate and the middle of the lower fixing plate are respectively provided with an opening, lock hooks are arranged at the bottoms of the openings, semicircular screw holes and vertical teeth are arranged on the two sides of the openings, and hollow hole structures are formed between the upper fixing plate and the elastic structure and between the lower fixing plate and the elastic structure. According to universal stabilizer used between the spinous processes, multiple mutually-perpendicular U-shaped deformation structures or springs are used for connection, and therefore elastic movements, such as forward bending, rear protraction, left bending, right bending and rotation in all directions on sagittal views, of operation segments are achieved. The universal stabilizer has the advantages that the structure is simple, stress is dispersed, implantation is convenient, fixation is firm and reliable, universal elastic movements can be achieved, and collision between materials and the spinous processes can be avoided, and the universal stabilizer solves the problems that according to various existing dynamic internal fixators used between spinous processes, the movements of the spines in all directions cannot be kept, the structure is complex, operation is difficult, and use is not durable.

The invention relates to a sclerotin-in-femoral head cutter for a bone surgery. The cutter comprises a rotary insertion pipe, a rotary cutting knife, a differential gear transmission mechanism and a hand-operated mechanism, wherein the hand-operated mechanism is connected with the exposed end of a driving shaft of the differential gear transmission mechanism; the front end of the rotary insertion pipe is connected with the rotary cutting knife, and the back end of the rotary insertion pipe is connected with a transmission gear of the differential gear transmission mechanism; one end of a driven shaft of the differential gear transmission mechanism is inserted in the back end of the rotary insertion pipe, and in threaded connection with the back end of the rotary insertion pipe; and an inner top rod is inserted in the rotary insertion pipe, and the front end of the inner top rod is provided with an eccentric pushing surface. Therefore, by utilizing the rotation and deflection, a dome type cutting space the cutting radius of which is far larger than the diameter of the rotary insertion pipe is formed on the front end of the rotary insertion pipe, and furthermore a novel and effective minimally invasive operation treating mode for femoral head necrosis is formed.

The present invention relates to the field of computer-aided surgery technology and craniomaxillofacial repair and reconstruction surgery medical equipment, in particular to an intraoperative real-time navigation operation method for assisting removal of foreign bodies in the mandibular region, which is characterized by the following steps: preoperatively modulating dental self-curing gum to make mouth opening Fix the guide plate, and then wear the guide plate in the mouth to perform thin-slice spiral CT scanning of the patient’s maxillofacial area, import the CT data into the navigation software i‑plan for preoperative planning, accurately mark the position of foreign bodies and set the approach of clamping instruments; , wearing a mouth opening guide plate for maxillofacial surgery area surface registration and clamping instrument registration, and the navigation operation can be performed after the accuracy is verified to be qualified. After exposing the operation area, follow the planned path and trajectory, observe and adjust the path of the instrument tip in real time on the navigation display, and remove the foreign body. The invention realizes the navigation surgery technique in the movable area of ​​the mandible, the method is convenient, the additional cost is low, easy to learn and use, and the curative effect is stable.

The invention discloses a pulse type bladder blood clot flushing and negative pressure drainage integrated device. The device comprises a flushing drainage pulse controller, a Y-shaped connecting pipe, a three-cavity catheter, a drainage bag and an infusion bottle; the Y-shaped connecting pipe is connected with the flushing drainage pulse controller; the three-cavity catheter is connected with theY-shaped connecting pipe; the three-cavity catheter is connected with the flushing drainage pulse controller through the flushing pipe; the Y-shaped connecting pipe is further connected with the drainage bag; an infusion bottle is connected with the flushing drainage pulse controller through the flushing connecting pipe; and the flushing and drainage pulse controller can control bladder flushingand drainage to be conducted alternately. The device is more intelligent, flushing and drainage of bladder blood clots can be completed without manual operation, and time and labor are saved; flushingand drainage of the device are in a pulse alternating mode, it is avoided that flushing fluid is drained out of the bladder without effectively flushing the bladder, the pulse time interval can be adjusted, and blood clots in the bladder are thoroughly flushed.

The invention discloses an assembled cervical vertebra and unciform joint fusion cage, belongs to the field of medical instruments, and provides an assembled cervical vertebra and unciform joint fusion cage which is more convenient to implant and install. The assembled cervical vertebra and unciform joint fusion cage comprises an intervertebral support body and unciform joint fusion components, wherein each unciform joint fusion component comprises a circle of cofferdam; a bone grafting cavity which is through up and down is formed in the cofferdam; the unciform joint fusion components are correspondingly arranged on the left side and the right side of the intervertebral support body; the assembled cervical vertebra and unciform joint fusion cage further comprises a connecting piece; the intervertebral support body and the unciform joint fusion components are arranged in a split manner; and the intervertebral support body and the unciform joint fusion components can be assembled and installed through the connecting piece. According to the assembled cervical vertebra and unciform joint fusion cage, through the arrangement of the split structure, the implantation and installation canbe carried out in sequence during implantation and installation, so that the problem that the implantation is difficult due to the fact that the implantation is carried out at the same time when theintegrated structure is arranged is avoided. In addition, through the arrangement of the deformable cofferdam, the implantation and installation operation can be facilitated, the fitting effect is improved, and meanwhile, the early osteogenic fusion is facilitated.

The invention discloses a joint surgery postoperative rehabilitation training device for sports medicine, and belongs to the technical field of rehabilitation training. The rehabilitation training device comprises a big arm fixing part which is detachably fixed to a big arm on the upper portion of an elbow joint on the affected side; a forearm fixing part which is detachably fixed on the forearm at the lower part of the elbow joint on the affected side; a wrist fixing part which is fixed at the wrist joint of the affected side; a first air bag which is arranged between the big arm fixing part and the small arm fixing part and is positioned at an included angle formed by the big arm and the small arm when the elbow joint extends and contracts; a second air bag which is located between the wrist fixing part and the hand; an extruding device which is used for extruding the second air bag to enable air in the second air bag to enter the first air bag. According to the rehabilitation training device, synchronous coordination training of the elbow joint, the wrist joint and the finger joint can be achieved under the condition that power is not needed, and postoperative recovery of a joint injury patient is facilitated.

The invention discloses a bonded and fixed bite plate for stabilizing an intermaxillary relationship to guide a temporal-mandibular joint reconstructive surgery. The bite plate forms a recess inwards and coats occlusal surfaces of full dentitions of upper and lower jaws of a patient; the form of the recess is matched with the appearance of the tooth surface of the patient, and a gap is reserved between the recess and the tooth surface of the patient; and the gap is filled with a bonder and is bonded and fixed with the tooth surface of the patient. The bite plate is designed through a digital technology and is integrally molded by adopting light-cured resin; the thickness is determined according to the clearance between the dentitions of the patient, the coating depth on the tooth surface of the patient is 1.5mm, and the bite plate extends out of a lip and cheek side and a tongue and palate side of the tooth surface of the patient for at least 1mm; and the bite plate is bonded and fixed with the tooth surface of the patient through a glass ion binder which is 0.3mm in thickness. The bonded and fixed bite plate is suitable for the patient with mouth opening limitation; and the bite plate is bonded and fixed on the tooth surface of the patient, so that intraoperative operation of steel wire tying or screw retention is omitted, the trauma to an oral cavity of the patient is reduced, and especially the trauma to dental germ of an infant patient is avoided.