4850results about "Bone drill guides" patented technology

An angled intraosseous access system including a guide block and / or a guide plate is disclosed. The system includes a driver having a body, and including a needle assembly rotatably coupled thereto, the needle assembly defining a needle axis. One of the guide block or the guide plate is configured to engage a skin surface and align the needle assembly axis at a predetermined angle relative to the skin surface to access the medullary cavity at the predetermined angle. Advantageously, the angled needle of the intraosseous access system can mitigate pain during infusion and mitigate backwalling.

Devices, systems, and methods thereof for treating fractures of the foot using staples and a staple inserter. A drill guide for surgical implantation systems includes features using k-wires received through a drill guide head to assist with drilling of pilot holes. A staple inserter may have features which take advantage of k-wires used in connection with the drill guide. An associated tamp may be employed in conjunction with staple implantation procedures. Surgical staples may also have certain geometries to foster improved compression characteristics.

Methods and devices for consistently and accurately controlling the depth of the graft tunnel. A sheath is inserted into the bone until a stop member on the sheath contacts the bone. A cutting member is then deployed to drill a larger bore in the tunnel until making contact with the distal end of the sheath. The cutting member may be drawn retrograde within the tunnel, or driven antegrade from an opening opposite the opening in which the sheath resides. The drill and the sheath can then be removed, leaving the tunnel that includes a tunnel portion sized to fit a graft so that the graft fits tightly within the tunnel portion and is flush with the opening of the tunnel.

The invention discloses an endoscope with a built-in grabbing mechanism, and relates to the technical field of medical instruments. According to the technical scheme, the device comprises a clamp assembly, a driving outer pipe and a driving inner wire; the grabbing mechanism further comprises a grabbing mechanism shell, a first moving seat and a second moving seat, wherein the first moving seat and the second moving seat are arranged in the grabbing mechanism shell. The near end of the driving outer tube is connected with the first moving seat, and the near end of the driving inner wire is connected with the second moving seat; when the second moving seat is fixed relative to the grabbing mechanism shell, the first moving seat moves towards the far end direction relative to the grabbing mechanism shell so as to control the clamp assembly to execute the clamping action. According to the invention, the clamping action is carried out while forward extension is carried out, so that high-precision operation is facilitated, and tissues can be accurately clamped; and moreover, the grabbing mechanism is integrated in the endoscope handle, so that accurate single-hand control is facilitated, meanwhile, the clamping action is controlled in a button mode, the human engineering is met, and operation is convenient.

Implantable devices for fixation of curved bone such as the pelvic ring pubic symphysis and acetabulum, and methods for the use of the devices are disclosed. The implantable devices are convertible between a flexible state and a rigid state, and include an elongate structure having a proximal bone interface, a main body, and a distal bone interface. In a flexible state, the devices may be inserted along, and conform to a curved pathway, and in the rigid state, the devices may support the mechanical loads required to fixate a fracture.

A metatarsus adductus technique may involve cutting an end of one or both of a second metatarsal and an intermediate cuneiform to create a wedge-shaped opening between the end of the second metatarsal and the intermediate cuneiform. The method may further involve cutting an end of one or both of a third metatarsal and a lateral cuneiform to also create a wedge-shaped opening between the end of the third metatarsal and the lateral cuneiform. The second metatarsal and the third metatarsal can then be moved in a transverse plane to close a metatarsus adductus angle. Movement of the second and third metatarsal may close the wedge-shaped openings forming during bone cutting. With the second and third metatarsals appropriately realigned, the clinician can fixate the moved position of the second metatarsal and the third metatarsal.

Surgical systems and instruments for performing shoulder repair procedures using a transhumeral approach are disclosed. The systems include a humeral guide configured to set a path of travel for a guide pin that operates bone preparation instruments with a transhumeral approach. The guide pin can selectively engage one or more bone preparation instruments disposed at a humeral resection surface and operate the tool(s) by powering the guide pin from below the humeral resection surface. A handle assembly can be used to position bone preparation instruments at the surgical site, with the handle assembly being selectively mountable to the humeral guide. The humeral guide can also have a sizer attachment coupled to it to assist in measuring and sizing locations for an implant to be placed on the humeral resection surface. Measuring, reaming, broaching, and implanting actions can all be performed with assistance from the humeral guide.

An orthopedic tool includes a main body and a reference member. The reference member may be configured to engage an anatomical feature of a patient, such as the patient's bone. The angle of the reference member may be adjusted using a knob.

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.

An angled intraosseous access system includes a guide assembly including a guide block and a guide plate. The system can include a driver and a needle assembly rotatably coupled thereto. The guide assembly is configured to align the needle at a predetermined angle relative to the medullary cavity. Advantageously, the angled needle of the intraosseous access system can mitigate pain during infusion and mitigate backwalling.

Systems and methods for joint replacement are provided. The systems and methods include a surgical orientation device and at least one orthopedic fixture. The surgical orientation device and orthopedic fixtures can be used to locate the orientation of an axis in the body, to adjust an orientation of a cutting plane or planes along a bony surface, to distract a joint, or to otherwise assist in an orthopedic procedure or procedures.

The invention discloses a flexible mechanical arm driving system for minimally invasive interventional surgery, a flexible mechanical arm comprises a hollow first sleeve assembly which is coaxially configured, the first sleeve assembly comprises an inner tube and an outer tube, the inner tube and the outer tube are thin-walled tubes, the inner tube is arranged in the outer tube in a penetrating manner, and the inner tube and the outer tube are fixedly connected at the far end part; the inner tube and the outer tube are each provided with a straight tube section at the near end and a deformation section at the far end, and the deformation sections can be bent and deformed when the inner tube is pushed / pulled. The driving system comprises an instrument assembly and a driving module assembly; a driving driven module is arranged in the instrument assembly, and the flexible mechanical arm is connected with the driving driven module; a driving driving module and a PCB control board are arranged in the driving module assembly, the driving driving module is in transmission connection with the driving driven module, and the driving module assembly is used for driving the flexible mechanical arm to do linear, rotating and bending movement. The driving device is used for driving the coaxial antagonism tubular flexible mechanical arm to achieve bending, rotating and linear motion, full-automatic control can be achieved, and the control accuracy and safety are high.

An aiming guide system configured for connection to a bone plate including an aiming arm and a connection assembly. The aiming arm has a rigid body extending from a proximal end to a distal end with a plurality of aiming holes defined through the rigid body between the proximal end and the distal end thereof. The distal end defines an attachment slot through the body. The connection assembly is configured to engage an attachment screw hole of the bone plate and the attachment slot such that the aiming arm is fixed in position relative to the bone plate with each of the aiming holes aligned with a respective hole along the bone plate.

Devices, systems, instruments, and methods for promoting healing and stability for bone fractures. A targeted interlocking plate-nail system may include an intramedullary nail configured to extend through a medullary canal of a long bone, a bone plate configured to be positioned against an exterior surface of the long bone, and a plurality of fasteners configured to extend through the bone plate, through the intramedullary nail, or through both the bone plate and the intramedullary nail, thereby interlocking the bone plate and the intramedullary nail together. Targeting instruments may be used for guiding the components into position.

The invention provides a unicompartmental knee arthroplasty robot navigation and positioning system and method. The system comprises a preoperative planning module, a positioning and navigation module and a mechanical arm control module. The preoperative planning module is used for carrying out knee joint segmentation and reconstruction according to the obtained knee joint medical image, carrying out preoperative planning and determining a unicompartmental knee arthroplasty scheme; the positioning navigation module is used for registering the intraoperative solid knee joint and the preoperative knee joint three-dimensional model according to the navigator and the tracer, and tracking the poses of the osteotomy tool and the solid knee joint in real time; and the mechanical arm control module is used for planning a motion path of the mechanical arm and controlling the mechanical arm to execute the motion path. In this way, the mechanical arm can be controlled to assist in completing the osteotomy operation of unicompartmental knee arthroplasty in a preoperative planning and intraoperative optical navigation mode, and the problems that the operation level is uneven and the operation effect is not expected due to different individuals in the current manual operation are solved.

Apparatus and methods are described for use in securing a first bone relative to a second bone using a pair of surgical staples or, alternatively, a surgical staple and a bone screw. When a pair of staples are used, one of the legs of one of the staples may pass between the legs of the another of the staples. When a staple and a bone screw are used, the bone screw may pass between the legs of the staple. A guide tool can be used during the drilling of the holes for the legs of the staples or the legs of the staple and a bone screw. The guide tool provides guides for drilling guide holes for the staples or for the screw and staple.

A device for use in orthopedic procedures involving the alignment and fixation of bone. The device includes a body having a bone facing surface, an opposing surface, a lateral surface being disposed between the bone facing surface and the opposing surface and a longitudinal axis extending through the bone facing surface and the opposing surface. The body defines a pin hole extending through the body from the bone facing surface to the opposing surface, a bone fastener hole extending through the body from the bone facing surface to the opposing surface, a tool hole extending at least partially through the body and an alignment index for positioning the body relative to bone.

A system, includes a first screw mechanism including: a first block; a first screw threaded through the first block and including a first skin-interfacing portion; and an intramedullary (IM) member extending from and attached to the first block and including an end portion configured to be inserted into an intramedullary canal of a first bone fragment, wherein a first lateral force is generated between the first skin-interfacing portion against a second bone fragment, adjacent to the first bone fragment, and a holding force provided by the end portion when the first screw is rotated and the end portion is located in the intramedullary canal.

An orthopedic tool includes a main body and a reference member. The reference member may be configured to engage an anatomical feature of a patient, such as the patient's bone. The angle of the reference member may be adjusted using a knob.

Systems and methods for joint replacement are provided. The systems and methods include a surgical orientation device, a reference sensor device, and at least one orthopedic fixture. The surgical orientation device, reference sensor device, and orthopedic fixtures can be used to locate the orientation of an axis in the body, to adjust an orientation of a cutting plane or planes along a bony surface, or otherwise to assist in an orthopedic procedure(s).

The invention provides an osteotomy path adjusting system in robot-assisted knee arthroplasty, and belongs to the technical field of knee joint detection. The system comprises a multi-modal data acquisition unit which comprises a knee joint pressure measuring gasket, an optical acquisition module and a kinematics data acquisition module, the knee joint pressure measuring gasket is used for acquiring knee joint pressure signals in an operation, and the optical acquisition module is used for acquiring relative poses of a femur and a tibia; the kinematics data acquisition module is used for acquiring kinematics data of the mechanical arm; the main control calculation unit comprises a data fusion module and a dynamic compensation module, and the data fusion module is used for constructing a synchronous spatio-temporal data set; and the dynamic compensation module is used for outputting a compensation instruction to the mechanical arm to adjust an osteotomy path based on the synchronous spatio-temporal data set, the preoperative predicted pressure prediction matrix and the soft tissue stiffness matrix. The pressure change in the operation can be responded in real time, the operation precision of the knee arthroplasty is improved, and the dependence on the experience of doctors can be reduced.

A method of designing an orthopedic implant comprising: (a) iteratively evaluating possible shapes of a dynamic orthopedic implant using actual anatomical shape considerations and kinematic shape considerations; and, (b) selecting a dynamic orthopedic implant shape from one of the possible shapes, where the dynamic orthopedic implant shape selected satisfies predetermined kinematic and anatomical constraints.

Surgical systems and methods for tracking physical objects near a target site during a surgical procedure are provided, the surgical system employs a navigation system and a surgical instrument; an instrument tracker is provided on the surgical instrument and a patient tracker is provided on the patient's target tissue; the system and method is configured to detect an error condition compromising accuracy of the navigation guidance and to track and monitor a tool-to-bone offset.

The invention relates to the technical field of neurosurgical intelligent operations, and discloses a neuroendoscopic surgery intelligent puncture positioning system based on image navigation, and the system comprises a preoperative modeling module which constructs a preoperative tissue model and a corresponding elastic tensor field based on a three-dimensional medical image of a patient; the image fusion module is used for receiving the data of the preoperative modeling module, collecting intraoperative endoscopic images, predicting the tensor disturbance of tissues through a deep learning model, and feeding back the updated tensor disturbance to the tensor updating module; and the tensor updating module is in two-way communication with the image fusion module and is used for superposing tensor disturbance obtained by processing the intraoperative image with the preoperative tensor. Through fusion of an image navigation technology and preoperative modeling, a three-dimensional positioning frame based on neuroendoscopy operation requirements is constructed, intelligent planning and real-time correction of a puncture path are realized, important brain regions and vascular structures are effectively avoided, intra-operative risks are reduced, and positioning precision and safety are improved.

The invention discloses a blocking sheathing canal device for bleeding in a robot bronchoscope operation and a bronchoscope system, and belongs to the technical field of medical instruments. The blocking sheathing canal device comprises a guide pipeline, a blocking balloon, a medium channel and a pressure device; a pipe cavity is formed in the guide pipeline, and the robot bronchoscope enters a focus position through the pipe cavity; the blocking balloon is arranged at the far end of the guiding pipeline, can expand and deform in the radial direction of the guiding pipeline in the pressure state and is used for blocking the bronchus or / and the lumen; the medium channel is arranged on the guide pipeline, the pressure device is communicated with the near end of the medium channel, and a pressure medium is injected into the plugging balloon through the medium channel; under the bleeding condition, the balloon can be rapidly inflated through the pressure device at the near end of the guide pipeline, so that the balloon is expanded and deformed to completely block the gap between the guide pipeline and the bronchus, the emergency bleeding in the robot bronchoscope operation is blocked, and the safety of the robot bronchoscope operation is improved; and popularization and application of the robot bronchoscope operation are promoted.

A dynamic reference base (DRB) and associated method are provided for rigidly affixing an array frame to bone for use in navigated or robotic surgery. The DRB includes a bridge element that includes a connecting rod having a distal end and a proximal end; a clamp coupled to the distal end of the connecting rod; a first and a second pin guide extending distally from the clamp; a locking nut disposed on the clamp; and a clutch coupled to the proximal end of the connecting rod, the clutch being adapted to couple to the array frame. The DRB also includes the array frame, which is couplable to the clutch, and is adapted to include a plurality of tracking markers disposed thereon.

The invention discloses a thoracoscope minimally invasive cardiac surgery navigation system based on multi-modal image fusion, and the system comprises the steps: constructing a 5D heart digital twin containing an anatomical structure, a soft tissue boundary, metabolic activity and electrophysiological information through fusing preoperative CT, MRI, PET and intraoperative ultrasonic images; real-time dynamic registration is realized by using an electrocardio gating driven biomechanical model; superposing the multi-color coding navigation information to the visual field of the thoracoscope through a wavelength selection type spectroscope; a dynamic risk scoring model is constructed based on the distance, the speed and the tissue vulnerability, and three-level grading intervention is triggered; a miniature force feedback actuator is integrated to realize closed-loop control; and pre-operation virtual drilling and post-operation federal learning optimization are supported. The system remarkably improves the surgical precision and safety, and is suitable for high-difficulty heart minimally invasive surgeries such as mitral valve repair and atrial fibrillation ablation.

The invention discloses a constipation patient defaecation device and mobile terminal integrated system based on endoscope visualization and air bag assistance, and relates to the technical field of medical instruments, the constipation patient defaecation device comprises a display terminal, a connecting line, an operating handle and a comprehensive pipe, and the two ends of the operating handle are connected with the connecting line and the comprehensive pipe respectively. According to the non-invasive, high-safety and portable constipation patient defecation device, through the integrated design of endoscope real-time visual positioning, air bag auxiliary mechanical defecation and mobile terminal data interaction, the invasive operation pain is reduced, the defecation time is shortened, the complication risk is reduced, and the constipation patient defecation efficiency is improved. The pressure sensor monitors the internal pressure of the air bag in real time and feeds back the internal pressure to the dynamic pressure upper limit module and the mobile terminal in real time, and double protection of a hardware pressure release valve and software pressure limiting is triggered when the pressure exceeds the limit. The problems of high intestinal injury risk, low treatment efficiency, limited application scene and the like caused by operation blindness, function singleness or high invasiveness in the prior art are solved.

The present application relates to a kind of snare cutting knives for endoscope, including proximal handle, tube body assembly, cutting assembly and limiting component;Proximal handle is equipped with limiting sliding slot;The proximal end of tube body assembly is connected with proximal handle, and the distal end of tube body assembly is equipped with insulating protection tube;Cutting assembly includes cutting ring and cutting head, and cutting head is set to the distal end of cutting ring;Limiting component includes sliding part and limiting control wire, sliding part is slidably arranged in limiting sliding slot, and the proximal end of limiting control wire is fixedly connected with sliding part, and sliding part is used to drive limiting control wire axial movement;When limiting control wire moves to the distal end of insulating protection tube, cutting head and insulating protection tube abut each other and are fixed;When limiting control wire exits insulating protection tube, cutting head can continue to move relative to insulating protection tube.

Assemblies and methods for fixation of bone or bone fragments using an orthopedic plate, a modular peg, and a compression screw. The modular peg is screwed into one of the apertures of the orthopedic plate. The modular peg may include an aperture having screw threads designed to receive the threads of the compression screw and serve as an anchor for the compression screw. By rotating the compression screw in relation to the modular peg, the compression screw may advance through the aperture of the modular peg, drawing the head of the screw toward the modular peg, and compressing the bone or bone fragments.