123 results about "Shoulder joint" patented technology

A system for an anatomical total shoulder arthroplasty or reverse total shoulder arthroplasty can include an infinitely adjustable augment angle baseplate, an implant, a baseplate, an engagement member, and a prosthetic head. The infinitely adjustable augment angle baseplate can be configured to be secured to a first bone of a patient. The implant can be insertable into a second bone of a patient. The baseplate can be insertable into the implant and configured to be attached to the second bone of the patient. The engagement member can be couplable to either of the infinitely adjustable augment angle baseplate or the baseplate. The prosthetic head can be couplable to the other of the infinitely adjustable augment angle baseplate or the baseplate. The prosthetic head can be engageable with the engagement member to form a prosthetic joint between the first bone and the second bone.

A reverse shoulder system can include, for example, a glenoid baseplate comprising a longitudinal axis, the glenoid baseplate further including a stem and a central channel within a sidewall of the stem. The stem can include a longitudinal axis. The longitudinal axis of the glenoid baseplate can be angled with respect to the longitudinal axis of the stem, wherein the longitudinal axis of the glenoid baseplate is not perpendicular with respect to the longitudinal axis of the stem. Other components including a glenosphere, tools, and methods of use are also disclosed.

Disclosed are prosthesis systems and methods that provide ways by which the articulating surfaces of the implant can be exchanged such that the anatomic surfaces can be converted to reverse surfaces, while not exchanging the fixation components. Also disclosed herein are methods by which the surgeon can implant an inset anatomic articulating glenoid implant whereby at a later date, can remove the anatomic articulating surface and replace it with a reverse articulating surface such that the primary means of fixation remains well fixed in the glenoid fossa at the moment of articular exchange.

Systems, devices, and methods for preparing a glenoid to receive an implant using a transhumeral approach are disclosed. Various tools, such as a reamer attachment, can be disposed in a glenohumeral space proximate to the glenoid, and then a driver or other shaft can be separately introduced into the glenohumeral space. The driver can be coupled to the reamer attachment and then operated to treat or otherwise prepare the glenoid to receive an implant. After the reamer attachment is no longer needed to perform the desired treatment, it can be detached from the driver and both the reamer attachment and driver can be removed from the glenohumeral space. The disclosed systems, devices, and methods can be performed with or without a guidewire, and various other instruments, such as those for identifying a center of the glenoid, can be used.

Disclosed are prosthesis systems and methods that provide ways by which the articulating surfaces of the implant can be exchanged such that the anatomic surfaces can be converted to reverse surfaces, while not exchanging the fixation components. Also disclosed herein are methods by which the surgeon can implant an inset anatomic articulating glenoid implant whereby at a later date, can remove the anatomic articulating surface and replace it with a reverse articulating surface such that the primary means of fixation remains well fixed in the glenoid fossa at the moment of articular exchange.

The utility model discloses an improved multifunctional body position fixing brace in shoulder arthroscopy, which comprises a sickbed frame, at least four bed boards arranged along the length direction of a sickbed, a back lifting unit and a leg bending unit arranged on the sickbed frame, and a U-shaped neck air pressure bag arranged on the bed boards, the two air cushion fixing belts are symmetrically arranged on the bed plate; the bed boards are respectively a first bed board, a second bed board, a third bed board and a fourth bed board from the head to the feet of a human body, the second bed board is fixed on the sickbed frame, and the adjacent bed boards are mutually hinged; the back lifting unit abuts against the first bed board, and the leg bending unit abuts against the second bed board and the third bed board. According to the device, the neck support and the knee fixing belts can be inflated to proper pressure to fix the body position of a patient by increasing and decreasing air pressure in the air bags of all the devices, and the leg air pressure devices are pressurized, inflated and deflated regularly in the operation, so that the venous return and return blood volume of lower limbs are increased, and cerebral perfusion and oxygen supply are increased.

A reverse shoulder system can include, for example, a glenoid baseplate comprising a longitudinal axis, the glenoid baseplate further including a stem and a central channel within a sidewall of the stem. The stem can include a longitudinal axis. The longitudinal axis of the glenoid baseplate can be angled with respect to the longitudinal axis of the stem, wherein the longitudinal axis of the glenoid baseplate is not perpendicular with respect to the longitudinal axis of the stem. Other components including a glenosphere, tools, and methods of use are also disclosed.

The invention discloses a shoulder joint rehabilitation action image recognition and real-time posture correction feedback method and system, and belongs to the technical field of medical image processing and computer vision, and the method comprises the steps: collecting a rehabilitation training image frame sequence through an RGB camera; inputting the image into a human body analysis model, extracting skeleton key point coordinates and calculating a joint angle sequence; constructing the skeleton key points into a space-time diagram structure, and inputting the space-time diagram structure into a space-time diagram convolutional network for action classification and recognition; aligning and comparing the actual joint angle with the standard action template by adopting a dynamic time warping algorithm to calculate a deviation vector and an action compliance score; a standard posture skeleton line and an angle deviation indicating arrow are overlaid and rendered on an image, the compliance degree of each joint is displayed in a color gradient mode, an action compliance degree score and personalized correction suggestions are output, the error posture recognition accuracy is larger than 92%, the feedback delay is smaller than 100 ms, and the technical problem that home rehabilitation lacks professional action guidance is solved.

Systems and methods of glenoid bone removal in accordance with a surgical plan are disclosed. The surgical plan, which includes a first depth, a second depth, a location, and a trajectory for a glenoid implant relative to a patient's anatomy may be obtained. A feature having the first depth may be resected into the patient's anatomy at the location. A guidewire may be inserted at the trajectory into the patient's anatomy assisted by the feature. Reaming may be performed over the guidewire to the first depth, and a center post hole with a canulated drill bit may be resected over the guidewire to a second depth.

The present invention provides a universal and / or convertible glenosphere and / or glenosphere shoulder joint replacement system and method. [Solution] An implant component is provided. The implant component includes one of a glenosphere component having a concave outer surface and a glenosphere component having a convex outer surface. The system may also include one of a first base plate having a central boss portion extending from the bottom surface and a central opening through which it is positioned, or a second base plate having a central boss portion extending from the top surface and a central opening through which it is positioned. An anchor boss having a central opening through which it is positioned is provided. The system may include a central compression screw configured to reliably compress the first base plate, the second base plate, or the anchor boss against the patient's bone by being fixed through the central opening.

The invention discloses an auxiliary fixing device applied to magnetic resonance shoulder joint radiography aber position examination, and relates to the technical field of medical auxiliary instruments. The auxiliary fixing device applied to the magnetic resonance shoulder joint radiography aber position examination comprises a gypsum arm guard and an arm support assembly, the gypsum arm guard is connected with a fixing piece, and a tightness adjusting assembly used for assisting a patient in binding is arranged between the gypsum arm guard and the arm support assembly. A limiting mechanism used for fixing the elbow of the patient is arranged on the side, away from the tightness adjusting assembly, of the gypsum protection arm, the wrist of the patient can be bound through a nylon cable tie, the adjustable connecting assembly and the limiting assembly are matched, and the elbow of the patient is fixed. The arm at the detection end of the patient is limited to act, so that the problems that the action is changed, the limiting effect of most existing auxiliary fixing devices is single, and the detection result is influenced are solved.

The invention relates to the technical field of medical instruments, in particular to a shoulder arthroscopy positioning device which comprises a base, a positioning module used for fixing and preliminarily positioning a shoulder arthroscopy and an adjusting module used for adjusting the position of the shoulder arthroscopy in a multi-dimensional mode are installed on the base, the positioning module comprises a mounting frame, and the mounting frame is fixedly connected with the base. A fixing assembly used for fixing and limiting the shoulder arthroscope is installed on the installation frame, a monitoring assembly used for monitoring pressure, angle and displacement data of the shoulder arthroscope in real time is installed on the fixing assembly, the adjusting module comprises a driving part, and the driving part is installed on the installation frame. A moving assembly used for driving the fixing assembly to move is installed on an output shaft of the driving part, the monitoring assembly is in signal connection with a controller, and the controller is in signal connection with the fixing assembly and the driving part. The system is used for achieving precise positioning, real-time monitoring and intelligent adjustment of the shoulder arthroscopy in the shoulder arthroscopy operation process.

The invention discloses a hand traction belt skin protection device for shoulder arthroscopy surgery, and relates to the technical field of medical instruments, the hand traction belt skin protection device comprises a traction assembly used for traction of a wrist, and an angle adjusting assembly used for changing the traction angle is arranged on the outer surface of one side of the traction assembly; a stepping assembly used for adjusting the height is arranged on the outer surface of one side of the angle adjusting assembly, the traction assembly comprises a traction belt body, and the outer surface of the traction belt body is fixedly connected with a buffering cushion layer used for dispersing pressure. According to the hand traction belt skin protection device for the shoulder arthroscopy operation, the traction assembly, the first hook-and-loop fastener and the second hook-and-loop fastener are detachably attached, so that the hand traction belt skin protection device can adapt to different wrist sizes, the viscosity is stable after attachment, and a certain traction force can be borne without falling off; the flexible material of the buffer cushion layer can disperse the contact pressure between the wrist and the traction belt, tissue damage caused by too large local pressure intensity is avoided, and therefore stable and comfortable fixation is achieved.

A modular reverse shoulder prosthesis, comprising: a stem (110) comprising a tapered body (111) and a first annular housing (112); a tray (120) comprising a dome element (121) for insertion into the first annular housing (112), and further comprising a second annular housing (122); a liner (130) comprising an engaging element (131) for at least partial insertion into the dome element (121), and further comprising a joint concave element (132) configured for coupling with the second annular housing (122). The second annular housing (122) of the tray (120) comprises a raised edge (123) configured to support the joint concave element (132) and which defines an overall outline having a different development in height at least in diametrically opposite portions (123a; 123b) of the tray (120).

The utility model relates to the field of medical instruments, and discloses an improved shoulder arthroscopy body position traction frame. The upper surface of the main supporting column is movably sleeved with a movable connecting piece, the upper surface of the movable connecting piece is movably sleeved with a main cross beam, the surface of one end of the main cross beam is fixedly connected with a mechanical braking piece, the inner surface of the mechanical braking piece is movably connected with a braking control rope, and a braking button is arranged on the outer surface of one end of the braking control rope. When the shoulder arthroscopy body position traction frame is used, under the normal condition, the effect of the shoulder arthroscopy body position traction frame is consistent with that of a conventional shoulder arthroscopy body position traction frame for operating room nurses, traction is directly conducted on a patient, after one of the two brake buttons is opened, an extrusion spring is arranged in the mechanical brake part, and the traction rope is movably connected to the inner surface of the mechanical brake part. And the other one is directly and emergently braked, so that the equipment is kept in situ and no pressure is generated, and a user and a patient are protected to be continuously used after being adjusted.

The invention relates to the technical field of shoulder arthroscopy operations, in particular to a shoulder arthroscopy operation traction device which comprises a clamping mounting seat, a clamping base is slidably connected to the outer side surface of the clamping mounting seat, and clamping claws are fixedly connected to the outer side surfaces of the clamping mounting seat and the clamping base. A folding support used for folding and supporting is arranged on the surface of the top of the clamping installation base, a magnetic attraction buckle interlocked with the folding support is arranged on the surface of the outer side of the clamping installation base, a traction winding column used for controlling the arm to ascend, descend and rotate is arranged on the surface of the outer side of the top extending shell, the folding support is folded in the initial state, the occupied space is small, and operation is convenient. The storage and the transportation are convenient. When in use, the traction device is unfolded and can be adjusted to a proper height and position as required, so that the space utilization rate is effectively improved, the traction device is particularly suitable for an environment with a limited operation space, convenience is provided for operation, the traction winding column is relatively simple and convenient to operate, and a doctor can quickly adjust the traction height and angle.

The invention relates to the technical field of medical instruments, in particular to a shoulder arthroscopy lateral position abduction traction frame which comprises a main frame, a traction rod and a traction rope, a sliding rail is vertically and fixedly installed on the main frame, a lifting block is vertically and slidably installed on the sliding rail, one end of the traction rope is fixedly connected with the lifting block through a traction assembly, and the other end of the traction assembly is fixedly connected with the traction rod. A water tank is fixedly installed on the main frame, a water outlet pipe is installed at the bottom end of the water tank, a water inlet pipe is installed at the upper end of the weight box, the water outlet pipe and the water inlet pipe are communicated through a connecting water pipe, and a water level window is formed in the side face of the weight box. And water level scales are arranged on the water level window. A medical worker can control the traction force on the arm by controlling the water level in the weight box, the situation that the traction force is too large or too small, and consequently the operation progress is affected is prevented, it is guaranteed that the operation effect is better, and the disease of a patient is thoroughly solved.

A shoulder prosthesis baseplate (100) comprising a through-hole (102) for a compressive screw (101), wherein the through-hole (102) has a circular profile section and comprises a projecting edge (106) arranged internally and perpendicularly to an axis (102j of the through-hole (102), the projecting edge (106) being configured to axially retain a head (103) of the compressive screw (101) inserted in the through-hole (102). The projecting edge (106) has circular are shape and delimits a corresponding free portion (108) of the circular profile section internally to the through-hole (102), the free portion (108) being configured to allow the screwing passage of a threaded stem (104) of the compressive screw (101) to surpass the projecting edge (106).

Systems and methods for shoulder arthroplasty including a stem (101) having a proximal portion (103), a distal portion (102), and a body (110) disposed between the proximal portion and the distal portion, where the proximal portion includes a cavity (104) extending toward the body. The system further includes a liner (120) configured for coupling within the cavity of the stem. The stem includes one or more protrusion (111) extending from a base (114) of the cavity, where each protrusion has a profile that tapers from a first width (t1) at the base to a second width (t2) that is narrower that the first width. The liner includes one or more recess (121), each recess being configured to receive therein one of protrusions, and each recesses having a width that is narrower than the first width and wider than the second width.

The invention relates to a pharmaceutical composition for intraoperative brain protection in shoulder arthroscopy surgery. The pharmaceutical composition comprises midazolam, propofol, sufentanil, succinylcholine and atracurium besylate. According to the invention, rScO2 can be improved, the risk of cerebrovascular events can be reduced, but no obvious influence is generated on the circulation stability in the operation of a patient, the postoperative cognitive impairment and the like.

The present disclosure provides for prosthetic implants to be used in various surgical repairs, including for procedures like total shoulder arthroplasties and reverse total shoulder arthroplasties. The implants include two main parts—a frame and a prosthetic component. The frame includes an aperture that is configured to receive the prosthetic component, allowing the prosthetic component to make direct contact with bone at the surgical site. Various configurations are provided that allow the prosthetic component to be coupled to or otherwise engage with the frame, and at least some of the configurations are such that the reverse procedures can be done without having to fully re-tool and / or modify the bone. A variety of procedures resulting from the improved implants are also provided.

The method of performing an operation on a body part of a patient uses a mixed reality (MR) device worn by the user. A visual representation of an operating scene includes a virtual anatomical feature representing an actual anatomical feature of the patient. A position and / or orientation of the visual representation relative to the anatomical feature of the patient is first adjusted to be superposed with the anatomical feature of the patient. The visual representation is displayed by the MR device superposed with the anatomical feature of the patient in a field of vision of the user. The position and / or orientation of the visual representation is repeatedly or continuously adjusted, so that, when the MR device moves relative to the anatomical feature of the patient, the visual representation remains superposed with the anatomical feature of the patient.

A robotic surgical system can include an end effector coupled to a robotic arm. A reamer operable to ream bone can be coupled to the end effector (e.g., via a retainer). The reamer can include a primary driveshaft and a cutting head. The primary driveshaft can be rotatable about a first axis of rotation and the cutting head can be rotatable about a second axis of rotation, for example parallel to and offset from the first axis of rotation.

The utility model discloses a distractor suitable for shoulder arthroscopy, which comprises an operating bed, a moving component, a lifting component, a limiting component and a fixing component, the moving component is transversely arranged above the operating bed and connected with the operating bed, the lifting component is arranged above the moving component, the limiting component is arranged above the lifting component, and the fixing component is arranged above the limiting component. The limiting assembly is located between the lifting assembly and the moving assembly and arranged at one end of the moving assembly, the moving assembly is connected with the lifting assembly through the limiting assembly, and the fixing assembly is located above the lifting assembly and rotationally connected to the lifting assembly. When the arm lifting device is used, the moving assembly can be moved to the armpit position of a patient, then the fixing assembly and the lifting assembly can lift the arm of the patient upwards from the position below the arm of the patient, and therefore a doctor is prevented from being shielded.

The utility model discloses a shoulder arthroscopy operation traction frame. Relates to the technical field of traction devices, and comprises a movable main body support, the top of the main body support is provided with a traction belt used for conducting traction on the upper limbs of a patient in the shoulder arthroscopy operation, and the top of the main body support is provided with a sliding adjusting assembly used for adjusting the traction belt; upper limb bandages for fixing the upper limbs of the patient and lock catches for being connected with heavy objects are fixed at the two ends of the traction belt respectively; the sliding blocks are adjusted up and down along the body support, the adjusting sliding rods on the two sides are combined to drive the connecting rods on the two sides to rotate upwards or downwards along the fixing frame, so that the rollers are rotationally adjusted, the traction belt is adjusted, the purpose of adjusting the traction height of the upper limbs of the patient is achieved, locking is conducted through the multiple locking bolts, and operation is convenient. The traction stability is ensured; the device has the advantages of being convenient to use, good in stability, high in flexibility and simple in structure.

The utility model relates to the technical field of medical instruments, in particular to a shoulder arthroscopy thread catcher which comprises a handle, a sliding rod, a metal tube and an elastic thread, an axis hole is axially formed in a body of the handle, a groove is formed in the side face of the body, and the groove is communicated with the axis hole; the sliding rod is inserted into the axis hole in a sliding manner; the metal tube comprises a straight tube section and a bent tube section, a tube cavity of the straight tube section and a tube cavity of the bent tube section are communicated, a puncture tip is arranged at the end of the bent tube section, a wire outlet communicated with the tube cavity is formed in the side face close to the puncture tip, the metal tube is connected with the end face of the handle through the straight tube section, and the tube cavity of the straight tube section is communicated with the axis hole; one end of the elastic silk thread is close to the puncture tip and connected to the bent pipe section, and the other end of the elastic silk thread penetrates through the thread outlet and a pipe cavity of the metal pipe and then is connected with one end of the sliding rod. The utility model has the advantages of simple structure, low cost and more accurate and quicker line grasping, can reduce the frequency of replacing an observation approach, and is beneficial to shortening the operation time and avoiding articular cartilage injury.

This invention discloses a medical image segmentation method and system based on local Moran's index residual blocks, belonging to the field of intelligent medical image segmentation technology. By introducing multi-scale local Moran's index features, this invention effectively quantifies the spatial clustering patterns of key anatomical structures in shoulder MRI images, achieving accurate characterization of eight types of structures. A residual Moran's feature module is deeply embedded in the UNet architecture, and spatial feature utilization is enhanced at each level of the encoder-decoder, improving the model's adaptability and generalization ability to complex shoulder anatomy, making the segmentation results more robust and reliable in clinical applications. The constructed segmentation model can achieve end-to-end automatic segmentation of shoulder MRI images without additional spatial statistical preprocessing, offering advantages such as convenient deployment and high computational efficiency. It is suitable for rapid clinical diagnosis and surgical planning, and has significant application value in improving the intelligent diagnosis and treatment of shoulder joint diseases.

An implant insertion tool or tools interact with a user interface provided by a computer to guide the operator to insert the implant at a desired location and trajectory. The user interface may guide an operator through a registration process, a process for positioning the tip of the implant at the desired location, and a process for aligning the implant to have the desired insertion trajectory. The implant may be a medical implant such as a K-wire that is inserted into a bone, such as the glenoid of a scapula during shoulder arthroplasty or reverse arthroplasty.

To provide a rotator cuff tear shoulder arthritis model animal and a method of producing a rotator cuff tear shoulder arthritis model animal, capable of more faithfully reproducing the pathology of rotator cuff tear shoulder arthritis.SOLUTION: A rotator cuff tear shoulder arthritis model animal is a rodent in which the supraspinatus, infraspinatus, superior joint capsule, and biceps longus tendons in the ipsilateral glenohumeral joint have been dissected.SELECTED DRAWING: Figure 1

The present invention is entitled "Prosthetic implants including frames for fixation to bone and related methods." The present disclosure provides prosthetic implants to be used in various surgical repairs including procedures such as total shoulder arthroplasty and reverse total shoulder arthroplasty. The implants include two main parts: a frame and a prosthetic component. The frame includes an aperture configured to receive the prosthetic component, allowing the prosthetic component to be in direct contact with bone at the surgical site. Various configurations are provided that allow the prosthetic component to be coupled to or otherwise engaged with the frame, and at least some of the configurations enable reverse procedures to be performed without having to completely rework and / or modify the bone. A variety of procedures resulting from the improved implants are also provided.