91 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 includes a housing having a first end, a second end, and a body disposed therebetween. The housing also includes a first opening positioned at the first end, and a second opening positioned at the second end, with the first opening and the second opening positioned about a common longitudinal axis. The instrument also includes a first drive shaft received at least partially within the first opening and extending into the housing and a second drive shaft disposed at least partially within the housing. The instrument also includes an engagement member extending at least partially from the second opening of the housing.

A surgical method includes, for example, tracking, via at least one camera attached to a robotic arm of a surgical robot, a surgical site of a patient, the robotic arm having a plurality of joints and a plurality of body parts, controlling the robotic arm to perform a surgical procedure at the surgical site of the patient based on the camera tracked surgical site of the patient, and wherein the tracking comprises controlling the movement of the plurality of joints and body parts of the robotic arm to maintain a line of sight of the at least one camera directed towards the surgical site of the patient.

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 surgical method includes collecting a set of patient data, identifying at least one significant point from the set of patient data, creating a surgical guide based on the at least one significant point and the patient data, and coupling the surgical guide with a calcaneum of a patient. The surgical method also includes performing at least one cut into the calcaneum using the surgical guide, wherein the at least one cut forms a recess in the calcaneum and defines a first calcaneal portion positioned substantially anteriorly from the recess and a second calcaneal portion positioned substantially posteriorly from the recess, shifting at least one of the first calcaneal portion and the second portion in a medial direction by placing an implant at least partially within the recess, and coupling the implant with the first calcaneal portion and the second calcaneal portion.

A patient-positioning system, computer-control and data-integration system, and surgical componentry are provided. The patient-positioning system can be used to manipulate the patient prior to, during, and after surgery to globally or regionally articulate the patient's body to facilitate stabilization of the patient's spine. And the computer-control and data-integration system can be used to facilitate operation of the patient-positioning system and enabling technologies use to perform surgery. Furthermore, the surgical componentry can be used to locally articulate the patient's body and / or the stabilize patient's spine. Surgical methods of using the patient-positioning system, the computer-control and data-integration system, and the surgical componentry for improving patient health outcomes are also provided.

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.

An improved surgical system and procedure for correcting a deformity between first and second bones using an alignment guide based on a correction factor. The correction factor can be based on a virtual model of the first and second bones in a deformed configuration and a corrected configuration. In the virtual corrected configuration, first and second virtual axes can be fixed in the respective first and second bones. When reverted to the virtual deformed configuration, the orientation of the first and second axes can be used to determine the correction factor. The alignment guide is used to insert one or more k-wires into each of the first and second bones in a deformed configuration. A correction guide is passed along the k-wires to rotate and / or translate the first bone relative to the second bone into the corrected configuration.

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 technique, non-invasively and safely and quickly inserting a T-shaped tube into a stenotic trachea, is capable of replacing a traditional rigid bronchoscope with a harmless fiber bronchoscope dispense with additional surgical wound incision, utilization of an existing tracheostoma combined with the available guiding materials, the T-shaped tube can be readily inserted into the trachea; therefore, the surgical technique, non-invasively and safely and quickly inserting the T-shaped tube into the stenotic trachea elucidated in the invention is capable of safely and quickly manuvering patients with obvious subglottic stenosis to improve the prognosis without additional neck wound incision.

The invention discloses a highly-simulated transvaginal endoscopic surgery training model, which comprises a model body, the model body is a model from the waist and abdomen of a human body to the thigh root, a simulated vaginal orifice is arranged outside the model body, a simulated pelvic cavity is arranged in the model body, a cover plate is detachably arranged on the model body, and the cover plate is used for opening the model body. A vagina model and a uterus model are arranged in the simulated pelvic abdominal cavity and are mounted according to a human body structure, the uterus model comprises a uterine orifice section, the vagina model comprises a vagina section and a dome section which are detachably connected with each other, and a ferrule is arranged at one end, far away from the vagina section, of the dome section; the sleeve ring is used for sleeving the uterine orifice section and moving in the length direction of the uterine orifice section, a training module is arranged in the simulated pelvic abdominal cavity, the requirements of the transvaginal laparoscopic surgery are met through the arrangement of the cover plate and the dome section, the defect that traditional training equipment is too large in loss is overcome, and meanwhile targeted training of the surgery is achieved through the arrangement of the sleeve ring.

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.

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.

The invention relates to the technical field of medical equipment, in particular to lumbar vertebral plate windowing equipment and an operation method.The lumbar vertebral plate windowing equipment comprises a drill bit and further comprises a transmission cylinder and an elastic supporting piece, one end of the transmission cylinder is open and is of a hollow structure, and the drill bit is embedded into the transmission cylinder and movably connected with the transmission cylinder and can move in the transmission cylinder in the axial direction of the drill bit; an insertion hole is formed in the closed end of the transmission cylinder, an insertion rod matched with the insertion hole is fixedly connected to the end of the drill bit, and the end, back to the drill bit, of the insertion rod extends in the axial direction of the drill bit to be inserted into the insertion hole and is in single-degree-of-freedom sliding fit in the axial direction of the drill bit; one end of the elastic supporting piece abuts against the inserting rod, and the other end of the elastic supporting piece abuts against the plane, opposite to the opening, of the inserting hole. The problem that in the prior art, after a drill bit is disengaged from the surface of the articular process, the risk that the drill bit rotates to grind the spinal cord or nerve root exists is solved.

An angulation guide (10) for use with an implant insertion tool during a surgical procedure includes a one-piece body having: a clip (12) configured to couple to a mounting surface of the implant insertion tool; an elongate riser (14) extending from the clip; and an elongate indicator (16) extending from the elongate riser to a distal end (40). This design allows for an inexpensive and lightweight angulation guide that is easily and quickly adjustable after assembly.