69 results about "Surgical methods" patented technology

A patient specific instrument is disclosed for correcting a condition present in a patient. The patient specific instrument includes a body that includes an inferior side having a bone engagement surface shaped to match a first surface of a first bone and a second surface of a second bone of a joint. The instrument also includes a superior side having a first guide feature and a second guide feature that together, with the bone engagement surface overlying the first surface and the second surface, are positioned to guide resection of the first bone and the second bone during a surgical osteotomy for correcting the condition. The body is configured to seat transverse to the joint with the bone engagement surface engaging the first surface of the first bone and the second surface of the second bone.

This disclosure relates to surgical fixation systems and methods. The surgical fixation systems of this disclosure may include various combinations of fixation devices, soft suture constructs, and / or adjustable loops and are configured for use in various knotless surgical methods, including but not limited to, syndesmosis, AC joint, UCL, bunion, anterior cruciate ligament (ACL), and posterior cruciate ligament (PCL) surgical methods.

An instrument system includes a first cut guide and an actuation instrument. The actuation instrument includes an upper portion having a handle and a first cannulation, and a lower portion releasably couplable with the upper portion. The lower portion includes a shaft, a second cannulation, wherein the second cannulation is coaxial and in fluid communication with the first cannulation, and a paddle configured to abut a resected surface of a first bone. The instrument system also includes a compression mechanism releasably couplable with the lower portion, the compression assembly couplable with the first bone and a second bone The compression assembly includes an actuator configured to bias at least one of the first bone and the second bone toward the other of the first bone and the second bone. A method for using the instrument system is also disclosed herein.

A surgical method for expanding a thoracic cage during a surgical procedure includes cutting through a thoracic cage to create an upper thoracic cage portion and a lower thoracic cage portion, separating the first thoracic cage portion and the second thoracic cage portion to open the thoracic cage, and installing, between the first thoracic cage portion and the second thoracic cage portion, a device that holds the first thoracic cage portion and the second thoracic cage portion apart from each other to expand a thoracic cavity of the thoracic cage. The surgical method includes a post-surgical cavity volume of the thoracic cage that is larger relative to a pre-surgical cavity volume of the thoracic cage.

This invention provides a robotic arm and surgical robot system. The robotic arm includes a suspension joint, a first joint arm, a second joint arm, a third joint arm, a motion detection mechanism, and a control unit. The first joint arm is mounted on the suspension joint and can move along a first arc trajectory. The second joint arm is mounted on the first joint arm and can rotate around a second central axis. The third joint arm is mounted on the second joint arm and can rotate around a third central axis and a fourth central axis, respectively. The motion detection mechanism detects the actual motion of each joint arm during the initial positioning. The control unit obtains the actual pose of the third joint arm after the initial positioning based on the actual motion of each joint arm, and controls the movement of the second joint arm based on the actual pose and the target pose for pose fine-tuning. By setting the second joint arm, the system meets the requirements of a large positioning space for the robotic arm and various surgical methods, reduces the size of the first joint arm, and improves the positioning accuracy of the operating instruments.

The utility model relates to the technical field of medical instruments, in particular to a positioning device for assisting reduction and fixing acromioclavicular dislocation, which comprises a base plate, an acromion end positioning plate is arranged at one end of the base plate, and a clavicle end positioning block is arranged at the other end of the base plate. Holes are formed in the acromion end positioning plate, acromion end fixing guide needle sleeves are fixedly connected to the positions corresponding to the holes, a plurality of holes are formed in the base plate, and a first coracoshoulder ligament fixing guide needle sleeve, a second coracoshoulder ligament fixing guide needle sleeve and a clavicle end guide needle fixing sleeve are fixedly connected to the positions corresponding to the holes respectively. The positioning device can achieve accurate positioning, damage to blood vessels, nerve tracts and surrounding tissues below the coracoid process is avoided, and operation bleeding is reduced. Due to the fact that the individualized bone tunnel is established, the position where the belt carrier titanium plate is placed is appropriate, the osteolysis phenomenon is reduced, and meanwhile the risk of coracoid fracture is reduced. According to the operation method adopting the positioning device, the operation difficulty is remarkably reduced, the operation time is shortened, and the learning curve of young physicians is reduced.

Adjustable tissue repair systems and methods are provided for reducing and fixating tissue to bone. The proposed systems and methods utilize two or more suture anchors and one or more adjustable suture loops for reducing and fixating the tissue to the bone. The suture anchors may be positioned as part of a multi-row fixation technique for providing a desired area of footprint compression over top of the tissue.

Systems and methods for opposing abnormal motion of an adjacent bone are provided. One exemplary embodiment of a surgical method includes delivering and securing a bone barrier to a bone bed of a glenoid such that at least a portion of the bone barrier extends laterally beyond the bone bed and can oppose, prevent, and / or reduce abnormal motion of an adjacent bone (e.g., a humeral head). The bone barrier can be secured along a periphery of a glenoid of a shoulder. More particularly, the bone barrier can be placed and secured such that at least a portion of the bone barrier extends laterally over the glenoid and can oppose abnormal motion of the humeral head. In some embodiments at least one suture anchor and suture can secure the bone barrier to the bone bed.

A unique near-infrared (NIR) fluorescence imaging probe, ICG-p28, composed of the clinically nontoxic tumor-targeting peptide p28 and the FDA-approved NIR dye indocyanine green (ICG) have been analyzed for in vivo kinetics and optimized for clinical practice. Intraoperative imaging with ICG-p28 was used to identify small (≤1 mm) lymph nodes (LNs) containing cancer cells. Image-guided surgery with ICG-p28 showed an over 6.6x103-fold reduction in residual normalized tumor DNA at the margin site relative to control approaches, resulting in an improved tumor recurrence rate (92% specificity) in multiple animal models.

Osteotomy cutting systems and surgical methods are provided herein. One surgical method includes coupling, to a cuneiform of a subject, a surgical apparatus for use in facilitating correction of a bunion and coupling the surgical apparatus to another bone of the subject. Another surgical method includes coupling a surgical apparatus to a cuneiform and metatarsal of a subject, coupling a cutting block for alignment at a joint between the cuneiform and the metatarsal, and performing a surgical procedure utilizing the surgical apparatus and the cutting block to correct a bunion. A further surgical method includes providing a surgical apparatus for use in facilitating correction of a bunion in a subject in which the surgical apparatus is configured to couple to a cuneiform and a metatarsal of the subject and performing a surgical procedure utilizing the surgical apparatus while the surgical apparatus is coupled to the cuneiform and the metatarsal.

The invention discloses a disposable ureter lithotripsy and calculus discharging device, and belongs to the technical field of urinary surgery minimally invasive surgical instruments, and the disposable ureter lithotripsy and calculus discharging device comprises a disposable ureteroscope, comprising a head end seat, a camera module assembled on the head end seat, a temperature and pressure sensor assembled on the head end seat, a snake bone connected with the head end seat, and a hose connected with the snake bone, the head end seat is provided with at least two channels; wherein one channel is configured as a water injection channel, and the other channel is configured as a suction intervention channel; the handle assembly is connected with the insertion assembly; according to the disposable ureteral lithotripsy and lithotripsy device, a traditional lithotripsy and lithotripsy operation mode is changed, and the problems that a traditional ureteral lithotripsy and lithotripsy system is complex in operation and large in material consumption, real-time temperature and pressure monitoring cannot be conducted, and the temperature and pressure in the body cannot be adjusted are solved.

A surgical method for expanding a thoracic cage during a surgical procedure includes cutting through a thoracic cage to create an upper thoracic cage portion and a lower thoracic cage portion, separating the first thoracic cage portion and the second thoracic cage portion to open the thoracic cage, and installing, between the first thoracic cage portion and the second thoracic cage portion, a device that holds the first thoracic cage portion and the second thoracic cage portion apart from each other to expand a thoracic cavity of the thoracic cage. The surgical method includes a post-surgical cavity volume of the thoracic cage that is larger relative to a pre-surgical cavity volume of the thoracic cage.

A dural venous sinus (DVS) implant anchor includes a body comprising a first portion extending in a first longitudinal direction, a second portion extending in a second longitudinal direction opposite the first longitudinal direction, and a connector portion coupled to the first portion and the second portion at an offset depth that corresponds to a depth of a first part of a thickness of a skull of a subject. When the DVS implant anchor is disposed within a DVS burr hole in the skull of the subject, the first portion extends along an outside surface of the skull and the second portion is at least partially disposed within the DVS burr hole.

Compression / reduction drivers are provided for performing surgical methods. Exemplary surgical methods that may be performed using the compression / reduction drivers described herein include, but are not limited to, arthrodesis procedures (i.e., bone fusion procedures), fracture fixation procedures, etc. The compression / reduction drivers are configured to simultaneously and independently apply a force against a bone segment and drive a fixation device into the bone segment.

A surgical system includes a first guide component that is couplable with a first metatarsal, and a second guide component configured to releasably couple with a medial cuneiform. The surgical system also includes a cut guide and a correction guide. A surgical method is disclosed that includes the steps of coupling a first guide with a first metatarsal of a patient using at least one first stabilization wire; removing the first guide from the first metatarsal; coupling a second guide with the medial cuneiform using at least one second stabilization wire; removing the second guide from the medial cuneiform; engaging a cut guide with the first metatarsal via the at least one first stabilization wire; disengaging the cut guide from the first metatarsal; engaging the cut guide with the medial cuneiform via the at least one second stabilization wire; and disengaging the cut guide from the medial cuneiform.

This invention discloses a disposable ureteral lithotripsy and stone removal device, belonging to the field of minimally invasive surgical instruments in urology. It includes: a disposable ureteroscope, comprising: an insertion assembly including: a tip, a camera module mounted on the tip, a temperature and pressure sensor mounted on the tip, a snake-like bone connected to the tip, and a flexible tube connected to the snake-like bone; the tip has at least two channels, one configured as a water injection channel and the other as a suction intervention channel; a handle assembly connected to the insertion assembly; and a disposable ureteral lithotripsy and stone removal system connected to the handle assembly. This disposable ureteral lithotripsy and stone removal device changes the traditional surgical method of lithotripsy and stone removal, solving problems such as the complexity of operation, high consumable costs, inability to perform real-time temperature and pressure monitoring, and inability to regulate internal temperature and pressure in traditional ureteroscopic lithotripsy and stone removal systems.

Disclosed are devices, systems and surgical methods for treating damaged and / or injured spinal levels involving offset or "slipped" vertebral bodies, such as in the treatment of spondylolisthesis, scoliosis, lateral listhesis and / or retrolisthesis

Bone anchor assemblies are disclosed herein that can provide for improved fixation as compared with traditional bone anchor assemblies. An exemplary assembly can include a bracket or wing that extends down from the receiver member and accommodates one or more auxiliary bone anchors that augment the fixation of the assembly's primary bone anchor. Another exemplary assembly can include a plate that is seated between the receiver member and the rod and accommodates one or more auxiliary bone anchors that augment the fixation of the assembly's primary bone anchor. Another exemplary assembly can include a hook that extends out from the receiver member to hook onto an anatomical structure or another implant to augment the fixation of the assembly's primary bone anchor. Surgical methods using the bone anchor assemblies described herein are also disclosed.

The invention discloses a gastrostomy tube system and an operation method. The gastrostomy tube system comprises a stomach tube assembly and a puncture assembly, the stomach tube assembly comprises a stomach tube body, an anchoring structure and an outer fixing part, the anchoring structure is arranged at the first end of the stomach tube body and used for stretching into a gastral cavity along with the first end of the stomach tube body and being fixed in the gastral cavity, the anchoring structure is made of memory alloy, and the outer fixing part is arranged at the second end of the stomach tube body. The outer fixing piece can deform under the body temperature environment to increase the section size, is arranged on the stomach tube body in a position adjustable mode and is used for being tightly attached to the outer side of the abdominal wall; the puncture assembly comprises a puncture needle and a guide wire, the guide wire can penetrate into the puncture needle, and the guide wire is used for penetrating into the puncture needle and guiding the anchoring structure and the first end of the stomach tube body to penetrate into. According to the stomach tube, the anchoring structure is arranged at the first end of the stomach tube body and is made of the memory alloy, so that the stomach tube body can be automatically deformed and unfolded to anchor the stomach tube body when the stomach tube is placed in a gastral cavity, the fixation is more reliable, and effective fixation can be kept for a long time.

A frame and patient support are provided, as well as surgical methods using the frame and patient support. The frame and patient support can be used to support and manipulate the patient prior to, during, and after surgery to articulate the patient's body to facilitate stabilization of the patient's spine. The frame and patient support can be configured for rotation about a rotational axis, and the frame and patient support can include a lower-leg-support, an upper-leg-support, a pelvic-support, a torso-support, and a head-and-arm support for supporting corresponding portions of the patient's body.

The present description discloses a surgical device, a surgical method, and a surgical apparatus. The surgical device comprises a robotic arm and a control device, wherein a surgical instrument assembly is arranged on the robotic arm; the surgical instrument assembly comprises several surgical instruments configured on a switching device.The control device determines the surgical instrument required for the surgical procedure, generates an instruction for instrument change based on the specific surgical instrument and sends this to the robot arm, and the robot arm controls the switching device to move based on the instruction for instrument change, so that the surgical instrument located at the position to be selected is switched into the intervention position and then, according to the control instruction sent by the control device, the specific surgical instrument is controlled to perform the surgical procedure.It is evident that the rapid exchange between multiple surgical instruments made possible by the surgical device eliminates the need for operating personnel to manually exchange surgical instruments during surgery in surgical scenarios where a large number of surgical instruments must be used, further improving the accuracy of surgical procedures and reducing the operational workload of the operating personnel.

Osteotomy fixation systems and surgical methods are provided herein. A fixation system can comprise a body, a curved portion, a dorsal extension, a medial extension, and at least three fixation holes. The curved portion can be configured to conform to a curvature of a first cuneiform. The dorsal extension can be configured to conform to a curvature of a dorsal side of a first metatarsal. The medial extension can be configured to conform to a curvature of a medial side of the first metatarsal.

A surgical method of treating reflux disease by implanting a movement restriction device. The method comprises the steps of: dissecting in an area of an abdomen comprising a fundus of a stomach, inserting the movement restriction device into the abdomen of the patient, placing the movement restriction device in contact with the fundus of the stomach using an instrument holding the movement restriction device, invaginating the movement restriction device in the fundus of the stomach by: placing at least one suture in a wall of the stomach above the instrument holding the movement restriction device, and placing at least one suture in the wall of the stomach below the instrument holding the movement restriction device.

Expandable fusion devices, systems, instruments, and methods thereof. The expandable fusion implant may include an upper endplate and a lower endplate configured to engage adjacent vertebrae, an expansion gear configured to adjust a height of the upper endplate, a locking collar configured to attach to an inserter instrument at multiple orientations for a desired surgical approach, and an actuation ram configured to lock, unlock, or change insertion orientation of the locking collar. The expandable fusion device is attachable to the inserter instrument to reorient the locking collar and expand the upper endplate.

Surgical tools and kits for performing methods include a grommet with cylindrical shaft, cutting tip, annular flange with suture retaining anchoring fixture; a grommet jig for extending between adjacent grommets and guiding a needle therebetween; a family of needles with single and double pointed ends, reinforced eyelets, stops to limit inadvertent exiting, double shaft construction with a longitudinal gap and sharpened, slicing ends, including a “J” shape embodiment; a bone anchor with ring to secure sutures about a patient's clavicle; a tissue dissector having radially extending cones to nick taut connecting tissues; a tissue rasp having a series of crisscrossing grooves along an end; a tissue mesher comprising one or more blocks having a matrix of holes for clamping a plurality of needles and a supporting framework; and a kit device and a method of surgically inserting an internal mesh brassiere under the breast skin.

A method and apparatus for preventing bone cement leakage, an electronic device, and a storage medium. The method for preventing bone cement leakage comprises: determining, from historical cases, a first surgical method conforming to condition information of a current patient, and first material parameters of postoperative bone, wherein the first surgical method comprises first surgical parameters (S11); on the basis of the first surgical method, the first material parameters, and a preoperative three-dimensional model of the fractured vertebral body of the current patient, simulating a diffusion status of bone cement injected into the body according to the first surgical method, so as to obtain a first predicted morphology representing the diffusion status of the bone cement (S12); using an evaluation model to evaluate the first surgical method on the basis of the first predicted morphology, so as to obtain a baseline evaluation score (S13); and adjusting the first surgical parameters on the basis of the baseline evaluation score for the purpose of improving the evaluation score, so as to obtain a target surgical method (S14). By using the method for preventing bone cement leakage, the risk of bone cement leakage can be reduced, thereby effectively preventing bone cement leakage.

The application discloses a verification block structure and a verification system for orthopedic surgery. The verification block structure comprises a base and a bone block. The base has a bearing portion and a bottom portion corresponding to the bearing portion. The bone block is detachably fixed to the bearing portion of the base, and the shape or material of the bone block is determined according to the bone characteristics of a patient and / or a surgical method.

A positioning frame and method for use thereof for supporting a patient to facilitate different surgical approaches to the spine is provided. The positioning frame includes a main support beam, first and second support structures, a torso-lift support, and a pelvic-tilt support. The main support beam has a first end, a second end, and a length extending between the first and second ends. The main support beam defines and is rotatable an axis of rotation relative to at least the first and second support structures to adjust the rotatable position of the patient support thereby. The torso-lift support is attached to the main support beam, and is configured to pivot to move the torso of the patient between an unlifted position and a lifted position. The pelvic-tilt support is also attached to the main support beam, and is configured to support and move the thighs and the lower legs of the patient to facilitate adjustment of the hips of the patient.