65 results about "Arthroscopy" patented technology

The invention relates to the technical field of surgical instruments, in particular to operating forceps for temporal-mandibular arthroscopic glide membrane chondroma surgery, which comprise a forceps head assembly, a rotating sleeve, a fixed block, an arc-shaped rod, a gas-driven unit and an adjustable elbow, the forceps head assembly is a working end of the operating forceps; the rotating sleeve is of a cylindrical structure and is fixedly arranged at the tail of the tong head assembly. The fixed block is fixedly arranged at one end of the rotating sleeve away from the tong head assembly; one end of the arc-shaped rod is fixedly connected with the fixed block, and the axis of the arc-shaped rod and the axis of the rotating sleeve are collinear; the gas driving unit is arranged on one side of the arc-shaped rod and used for driving the arc-shaped rod to rotate around the axis of the arc-shaped rod. The adjustable bent pipe is arranged on the side, away from the tong head assembly, of the rotating sleeve. The device can meet the path requirement of a complex anatomical space, can improve the lesion tissue removal efficiency through angle adjustment, greatly reduces the secondary operation frequency, and gives consideration to the operation flexibility and the removal accuracy at the same time.

A tool kit for minimally invasive implantation of a tendon fixation implant in the field of arthroscopic human medicine is provided. The tendon fixation implant includes a medial anchor, a lateral anchor, and a base plate. The tool kit includes a medial anchor inserter having a medial anchor drive mandrel and a medial anchor release tube. The medial anchor release tube is designed to receive the medial anchor drive mandrel. The medial anchor drive mandrel is designed both to receive a medial anchor and to introduce the medial anchor into bone by driving it into the latter. The medial anchor drive mandrel has a locking head for locking the medial anchor drive mandrel to the medial anchor release tube. The tool kit includes a base-plate inserter having a handpiece and a base-plate inserter tube designed to receive the base plate of the tendon fixation plate.

The utility model discloses needle grasping forceps under an arthroscope, which belongs to the technical field of needle grasping forceps and comprises a forceps body, a fixed forceps rod is arranged at one end of the forceps body, an extension rod is arranged at the other end of the forceps body, a fixed forceps and a movable forceps are respectively arranged at the tail end of the extension rod, a movable groove is arranged on the inner side of the middle of the forceps body, and a movable forceps rod is arranged in the movable groove. A clamping plate and a positioning plate are arranged on the opposite sides of the fixed forceps rod and the movable forceps rod, a clamping groove is formed in the bottom of the clamping plate, a clamping block is arranged at one end of the positioning plate, a pressing block is arranged at the top of the other end of the positioning plate, and a reset spring is arranged at the bottom of the pressing block. The clamping grooves in the clamping plate are matched with the clamping blocks on the positioning plate to form a clamping state, so that the fixed forceps rod and the movable forceps rod are clamped and positioned, the positioning of the movable forceps is realized, a certain labor-saving purpose is achieved without continuously applying force by a surgeon during use, and better operation of the surgeon is facilitated.

The embodiment of the invention provides an anchor implanting device and an anchor. The anchor implanting device comprises a first sleeve, a second sleeve, a push rod assembly, a firing pin assembly and a driving assembly, wherein the first sleeve and the second sleeve are nested; an accommodating cavity is formed in the first sleeve; the second sleeve penetrates through the near-end opening and extends into and out of the containing cavity. The push rod assembly comprises a push rod and a push rod cylinder extending out of the cavity and is used for installing an anchor. The driving assembly comprises a first elastic piece and a rammer, and the firing pin assembly is arranged between the rammer and the push rod cylinder. During operation, the second sleeve is pressed to compress the first elastic piece to store energy, the rammer is released to impact the firing pin, and the push rod is pushed to nail the anchor into a living body. The first sleeve and the second sleeve are nested, so that the structure is compact, and holding and accurate operation are facilitated; the push rod cylinder ensures linear implantation, and the precision is improved; the elastic energy storage and burst release impact mode ensures that the anchor is stably and reliably implanted, the slipping risk is reduced, and the anchor is suitable for arthroscopic minimally invasive surgery.

The utility model discloses an arthroscopic surgery auxiliary device which comprises a fixing frame, a supporting plate, an arthroscopic surgery auxiliary device body and an arthroscopic surgery auxiliary device body, and the top of the fixing frame is fixedly connected with the supporting plate. The adjusting assembly comprises an adjusting plate, and the adjusting plate is movably and rotatably connected to the exterior of the supporting plate; and the supporting assembly comprises a fixing frame. According to the leg bending supporting device, firstly, the device is placed at a proper position, then the leg is placed at the top of the supporting plate, when the joint supporting angle needs to be adjusted, the adjusting rod is rotated to ascend and descend along the internal thread of the rotary disc, the adjusting plate can be synchronously driven to rotate outside the supporting plate, and finally the angle of the leg bending supporting is adjusted through the adjusting plate. And when the supporting height of the whole device needs to be adjusted, the threaded rod is rotated, so that the sliding block ascends and descends in the fixing frame along an external thread of the threaded rod, and finally the effect of adjusting the height of the whole device is achieved.

A tendon repair implant for treatment of a partial thickness tear in the supraspinatus tendon of the shoulder is provided. The implant may incorporate features of rapid deployment and fixation by an arthroscopic means approach that compliment current procedures; tensile properties that result in desired sharing of anatomical load between the implant and native tendon during rehabilitation; selected porosity and longitudinal pathways for tissue in-growth; sufficient cyclic straining of the implant in the longitudinal direction to promote remodeling of new tissue to tendon-like tissue; and, may include a bioresorbable construction to provide transfer of additional load to new tendon-like tissue and native tendon over time.

The application discloses a joint mirror surgery reusable metal working sleeve, relates to the technical field of medical devices, and has the technical scheme as follows: a needle body, a handle head one and a pipe body are included; the bottom of the handle head one is detachably connected with one end of the pipe body; the middle part of the handle head one is provided with a movable channel one in the height direction; the movable channel one is connected with the pipe body; a control gate valve is arranged on the outer side wall of the handle head one; the control gate valve is arranged in the movable channel one by penetrating the side wall thickness of the handle head one; a water inlet pipe is detachably connected with the outer side wall of the end of the pipe body close to the handle head one; a camera is arranged on the inner side wall of the end of the pipe body away from the handle head one; a controller is arranged on the end of the pipe body close to the handle head one; and the controller is connected with the camera by wires. In the application, a plurality of stainless steel pipes are connected in succession from top to bottom by socket connection, so that the pipe body is formed; and the end of the stainless steel pipe is moved in a movable channel two in the previous stainless steel pipe, so that the length of the pipe body is adjusted.

Exemplary systems and methods encompass suture knot tools and suture knot tools pre-loaded with sutures for use in tendon repair and other surgical procedures. Related methods may include forming a nail knot between a suture and a tissue of a patient during a surgical procedure by drawing tissue into a port sleeve of an arthroscopic system, moving the port sleeve relative to a free end portion of the tissue and a nail knot cinch of a suture, to allow the nail knot cinch of the suture to contact the free end portion of the tissue; and tightening the nail knot cinch of the suture about the free end portion of the tissue, so as to form the nail knot with the suture and the tissue.

The pulse extrusion device comprises an air bag, a shell and a connecting pipe, the air bag is sleeved with a detachable and replaceable outer sleeve, the two sides of the lower portion of the outer sleeve are connected with a pair of bandages, and an inflation volume adjusting structure, a pulse inflation structure and a second air pipe are installed in the shell; the inflation volume adjusting structure and the pulse inflation structure are both connected with a second air pipe, and the two ends of the connecting pipe are connected with the air bag and the second air pipe through connecting pieces respectively. According to the pulse extrusion device used in the arthroscopic surgery, the air bag is arranged around the surgical site of a patient, the air inflation amount adjusting structure is arranged to inflate the air bag, tissue around the surgical site of the patient can be properly extruded, and the air inflation amount adjusting structure can accurately control the air inflation amount of the air bag; therefore, the requirements of different stages of the surgery on the extrusion force are met, and the accuracy and continuity of the surgery operation are improved.

The invention provides an arthroscopic suturing tool for the orthopedics department, and relates to the field of orthopedics department suturing, the arthroscopic suturing tool for the orthopedics department comprises a suturing gun, the suturing gun comprises a front gun handle, a rear gun handle, a gun barrel, an upper pressing plate and a lower pressing plate, a cavity is formed in the front gun handle, a rotating shaft mechanism is arranged in the cavity, and the rear gun handle is connected with the rotating shaft mechanism; a pull rod and a needle core are arranged in the gun barrel, one end of the pull rod is rotatably connected with the upper pressing plate, a pull rope rod slidably connected with the front gun handle is arranged in the cavity, a pull rope is arranged in the cavity, one end of the pull rope is connected with the pull rod, and the other end is connected with the pull rope rod; the end of the needle core extends into the cavity and is fixedly connected with a connecting pull rope, the other end of the connecting pull rope is connected with the rotating shaft mechanism, the front gun handle and the rear gun handle are arranged, the size of an existing suture tool is simplified, and the operations of clamping human tissue, fixing the position of the upper pressing plate and threading and suture can be achieved only by rotating the rear gun handle. The use by medical personnel is convenient.

Disclosed are computer visual guidance systems for guiding surgeons through arthroscopic debridement of bony pathologies, including by automatically generating annotations relating to characteristics of bony pathology in an image. The annotation may be generated in accordance with a determination as to whether a femoral head of the bony pathology is endospherical or exospherical. The annotation may be generated in accordance with a mathematical model created based on anatomies of subjects other than the patient. Further disclosed is a user interfaces for guiding a surgeon through arthroscopic debridement of a bony pathology, wherein intraoperative images are displayed simultaneously with a preoperative plan comprising interactive three-dimensional models of an anatomical feature of a patient. Further disclosed is a user interface for guiding a physician in categorizing images of a patient, wherein the interface comprises an image viewing window and an interactive checklist for different image categories to be captured.

Disclosed are computer visual guidance systems for guiding surgeons through arthroscopic debridement of bony pathologies, including by automatically generating annotations relating to characteristics of bony pathology in an image. The annotation may be generated in accordance with a determination as to whether a femoral head of the bony pathology is endospherical or exospherical. The annotation may be generated in accordance with a mathematical model created based on anatomies of subjects other than the patient. Further disclosed is a user interfaces for guiding a surgeon through arthroscopic debridement of a bony pathology, wherein intraoperative images are displayed simultaneously with a preoperative plan comprising interactive three-dimensional models of an anatomical feature of a patient. Further disclosed is a user interface for guiding a physician in categorizing images of a patient, wherein the interface comprises an image viewing window and an interactive checklist for different image categories to be captured.

A uniquely structured cannula and an instrument to efficiently and effectively deploy and remove the cannula is provided. In particular, the present disclosure is directed to inventive cannula device embodiments structured and / or configured to have a working portal (for delivery of biologics or use by other surgical devices), and a method to easily deploy and remove the cannula while reducing the area of the surgical site required for insertion therein.

The application provides an arthroscopic access cannula, and relates to the technical field of medical devices, which comprises an outer cannula and an inner tube installed in the middle part of the inner side of the outer cannula, the inner tube is provided as a hollow structure, a rubber plug is installed at the top of the inner tube, the bottom of the inner tube is provided with a fixing disc, and a plurality of groups of notches are formed in the middle part of the fixing disc; the outer wall of the outer cannula is provided with a fixing ring which is threadedly connected with the outer cannula, the bottom end surface of the fixing ring is provided with a rubber pad; the inner tube is threadedly installed in the middle part of the inner side of the outer cannula, the middle part of the outer wall of the inner tube is provided with an elastic sealing ring; and the plurality of groups of notches are uniformly distributed in the axial direction. In the use process, the access cannula can be implanted and installed without needing to expand the wound of a patient, so that the tearing of the wound is effectively avoided, and the setting of the fixing disc and the fixing ring enables the access cannula to be limited and fixed, so that the loosening and falling of the access cannula is avoided.

Suture systems, devices, and methods to enhance the precision and efficiency of surgical procedures are disclosed herein. Exemplary sutures are integrated with length indicators along their length, providing surgeons with an immediate visual reference for measuring anatomical distances intra-operatively in open and key hole (e.g. arthroscopic and endoscopic) procedures, tissue dimensions, gauging suture tension, and determining the optimal or desired suture length required for closure. The length indicators, marked at predetermined intervals, allow for accurate measurement without the need for additional tools, thereby streamlining the surgical process and reducing operation time. This suture material is particularly beneficial in complex surgeries where precision is paramount, and can improve patient outcomes by enabling more accurate tissue approximation and wound closure. Exemplary embodiments enable a combination of functionality and convenience, providing a valuable addition to the medical field, particularly in surgical specialties that demand meticulous attention to detail.

The application discloses the technical field of surgical instruments, and particularly discloses a minimally invasive treatment device for gout tophi on the surface of limbs, which comprises an operating rod and a maintenance treatment assembly.

The utility model discloses a kind of arthroscopic auxiliary femoral head necrosis drilling decompression positioning device, it is related to medical instrument technical field, including handle main body, the inside of handle main body is provided with positioning unit, the side of positioning unit is provided with drilling unit, the drilling unit includes fixed frame and adjusting assembly, the fixed frame is arranged in the side of positioning unit, the adjusting assembly is arranged in the inside of fixed frame, the adjusting assembly includes limit sleeve, the inside sliding connection of limit sleeve has pressing rod, one end of the pressing rod is fixedly connected with moving frame, the both sides sliding connection in the inside of limit sleeve of moving frame, the side fixedly connected with fixed rod of moving frame.The utility model is provided by limit sleeve, pressing rod, moving frame, fixed rod and spring, so that it is in the process of drilling, the effect of facilitating multiple channel drilling work is achieved, and the effect of further improving treatment is achieved by corresponding one drilling position for each channel.

The utility model provides an arthroscope cannula capable of managing sutures, which comprises a cannula body, a cannula cover and a liquid discharge tube, and the inner wall of a cannula cavity is provided with three axial suture protecting grooves which are uniformly distributed in the circumferential direction; a waterproof cover with three radial opening seams is arranged at the rear end of the tube cavity, and the opening seams are aligned with the wire protecting grooves; and the rear end of the tube cover is provided with three radial wire clamping grooves which are aligned with the opening seam. According to the utility model, through the cooperation of the thread protection groove, the waterproof cover opening seam and the pipe cover thread clamping groove, the surgical suture and the instrument channel can be effectively isolated and orderly fixed, and the problem of interference between the surgical instrument and the suture when the surgical instrument enters and exits is avoided.

A suture cutter that can easily load and hold a tensioned or untensioned suture in place for cutting. The cutter has a handle with an integral stem, and a shaft coupled to and extending from the handle. A tip has a cutting channel with a cradle for catching a suture before cutting. A piston in the handle drives a blade pusher to cut the suture in response to movement of the stem. A guide assembly in the body is formed by a pair of members that fold together via a living hinge to provide a slot for the head of the piston. The pusher is planar and horizontally oriented within the shaft, while the blade is planar and vertically oriented at a right angle to the pusher. The blade has a tab that is captured by a notch in the pusher to interlock the blade and the pusher.

The invention provides an ultra-short period reciprocating motion control system and method for a cutter head of a planer. The system comprises a main control module, a driving control module and a signal feedback module which are connected in sequence, the driving control module and the signal feedback module are respectively connected with a motor for controlling the planer tool bit to reciprocate; the signal feedback module is used for acquiring real-time motion information of the motor and feeding back the real-time motion information to the main control module; the main control module is used for calculating the current speed of the motor according to the real-time motion information and determining a driving control strategy based on the current speed and a reciprocating motion instruction from a user; the drive control module is used for executing speed control and forward and reverse reciprocating motion on the motor based on the drive control strategy. When the planer is applied to an orthopaedic arthroscopic surgery, the cutting frequency in unit time can be effectively increased, so that the medical care requirement of efficiently cutting damaged tissues is met, the movement stability and accuracy of the planer tool bit can be ensured, and the surgery efficiency is greatly improved.

The utility model discloses a scapular glenoid bone tunnel preparation positioning guider for arthroscopic surgery, which comprises a guider handle, a catheter I, a catheter II and a drill point, one end of the guider handle is fixedly provided with a hollow catheter I, the drill point for preparing a bone tunnel is inserted into the catheter I, the drill point is provided with an inner core and a depth limit mark, and the catheter II is provided with a depth limit mark. The inner core is taken out after the bone tunnel is drilled, a pull wire can pass through the inner core for later use, a second hollow catheter is fixedly arranged above the first catheter in parallel, a guide rod playing a guiding role is sleeved with the second hollow catheter, the axis of the second catheter is parallel to the axis of the first catheter, and the inlet end of the second catheter is longer than the inlet end of the first catheter. By means of the ingenious design, high-precision positioning and guiding in the operation process are achieved, the accuracy and efficiency of the operation are effectively improved, the purposes that the bone tunnel is manufactured at a time, and repeated attempts and adjustment are not needed are achieved, the manufacturing quality of the bone tunnel is improved, the operation time is shortened, and meanwhile the operation risk and the occurrence rate of complications are reduced.

Suture systems, devices, and methods to enhance the precision and efficiency of surgical procedures are disclosed herein. Exemplary sutures are integrated with length indicators along their length, providing surgeons with an immediate visual reference for measuring anatomical distances intra-operatively in open and key hole (e.g. arthroscopic and endoscopic) procedures, tissue dimensions, gauging suture tension, and determining the optimal or desired suture length required for closure. The length indicators, marked at predetermined intervals, allow for accurate measurement without the need for additional tools, thereby streamlining the surgical process and reducing operation time. This suture material is particularly beneficial in complex surgeries where precision is paramount, and can improve patient outcomes by enabling more accurate tissue approximation and wound closure. Exemplary embodiments enable a combination of functionality and convenience, providing a valuable addition to the medical field, particularly in surgical specialties that demand meticulous attention to detail.

Surgical systems and methods for assisting with procedures involving a subject's limb, such as a leg associated with a knee or hip joint. One or more robotic arms move and position the limb to manipulate the joint. The robotic arm(s) can be controlled based on a sensed joint gap or desired joint gap. An arthroscope can capture imagery of the joint and a tracking system can track poses of the arthroscope, the robotic arm(s), and the limb.

An improved positioners used during orthopaedic surgery is provided. Specifically, an improved beach chair positioner for use in arthroscopic shoulder surgeries is provided.

This invention relates to a portable arthroscopy, comprising a cable connecting the lens, a traction unit for driving the lens to swing, a steering unit behind the lens, and a scope tube. When the steering unit rotates around its axis of rotation, pulling one of the traction units connected to it backward causes the lens to swing toward the side where the traction unit is located. The arthroscopy lens can swing at various angles to introduce light into the joint cavity; the acquired images can be transmitted to a matching terminal device for display. The arthroscopy of this invention has a simple structure and can be used only once to avoid or reduce sterilization work; the small diameter of the scope tube results in smaller incisions and easier handling; the arthroscopy can also have a surgical tool intervention channel, and is equipped with various surgical tools, any one of which can be selected and installed at the intervention channel for joint examination or treatment.

The utility model relates to a pusher for cartilage injury repair under an arthroscope, which belongs to the technical field of medical instruments and comprises a push rod and an outer sleeve, the push rod is movably arranged in the outer sleeve and is in interference fit with the outer sleeve, and the tail end of the outer sleeve is connected with a handle convenient to hold; an inclined groove is formed in the head end of the outer sleeve, the outer sleeve comprises a semi-groove pipe, and the semi-groove pipe is used for guiding other auxiliary instruments to conduct an operation; according to the pusher for the cartilage injury repair operation under the arthroscope, repair materials are pushed to a designated injury position through cooperation of the push rod and the outer sleeve, the head end of the outer sleeve is designed to be of an inclined groove structure so that laying and operation of the cartilage materials in the operation can be facilitated, and the semi-groove pipe is arranged to guide other auxiliary instruments to conduct the operation; according to the utility model, the surgical operation is more convenient and quicker, the repair material can be effectively prevented from being damaged, and the surgical efficiency is improved.

The invention provides an arthroscope which comprises a first shell, an operation structure, a connecting structure, an insertion tube and an arthroscope body tube, the operation structure is movably arranged on the first shell, at least one part of the connecting structure is arranged in the first shell, the operation structure is in driving connection with the connecting structure, one end of the insertion tube is connected to the connecting structure, and the other end of the insertion tube is connected to the arthroscope body tube. One end of the endoscope body tube is fixed to the first shell, the other end of the endoscope body tube is arranged outside the first shell and used for puncturing, the first end of the endoscope body tube is fixed to the first shell, the second end of the endoscope body tube is arranged in the insertion tube, and the insertion tube can axially move relative to the endoscope body tube. According to the arthroscope, the operating structure is in driving connection with the connecting structure, and through driving of the operating structure, the connecting structure drives the insertion tube to axially move relative to the arthroscope body tube; according to the arthroscope, the arthroscope body tube is formed into a fixedly-arranged structural part, so that a connecting line matched with the arthroscope body tube does not need to act, and the problem that in the prior art, the arthroscope is affected by a cable in the using process, and the using effect is poor is solved.

Exemplary systems and methods encompass suture knot tools and suture knot tools pre-loaded with sutures for use in tendon repair and other surgical procedures. Related methods may include forming a nail knot between a suture and a tissue of a patient during a surgical procedure by drawing tissue into a port sleeve of an arthroscopic system, moving the port sleeve relative to a free end portion of the tissue and a nail knot cinch of a suture, to allow the nail knot cinch of the suture to contact the free end portion of the tissue; and tightening the nail knot cinch of the suture about the free end portion of the tissue, so as to form the nail knot with the suture and the tissue.

The invention relates to the technical field of prosthesis foundation piles for arthroscopic single condylar arthroplasty, and particularly discloses a prosthesis foundation pile for arthroscopic single condylar arthroplasty, which comprises a foundation pile, one side of the foundation pile is connected with a platform in a buckling manner, one side of the platform is fixedly connected with a horizontal detection device, and the foundation pile comprises a column body, a threaded hole is formed in the top of the column body, a first groove is formed in one side of the column body, a second groove is formed in the bottom of the first groove, a third groove is formed in the column body, a module mounting device is fixedly connected to one side of the inner wall of the third groove, and the column body is connected with the platform in a buckled mode. And a plurality of groups of first grooves are uniformly distributed on one side of the column body. The prosthesis foundation pile for arthroscopic single condylar arthroplasty achieves the purposes that the size of the foundation pile is small, the shape is simpler, the foundation pile can be easily implanted and knocked to the preset depth through a minimally invasive incision, and postoperative observation and recovery are facilitated.

The utility model belongs to the technical field of medical instruments, and provides a wrist arthroscope cannula which comprises a sterile syringe cannula, a through hole is formed in the sterile syringe cannula, a skylight is formed in the top of the sterile syringe cannula, finger hook hanging plates are symmetrically installed on the periphery of the sterile syringe cannula, and the finger hook hanging plates are connected with the sterile syringe cannula. The finger hooking plate is positioned on one side of the periphery of the sterile syringe sleeve; the bush-hook is located on the other side of the sterile syringe sleeve, and one side of the bush-hook extends into the sterile syringe sleeve; the wrist arthroscope body is positioned on one side of the sterile syringe sleeve; when the sterile syringe sleeve, the bush-hook and the wrist arthroscope are adopted for surgical treatment, surgical consumables can be greatly reduced, the treatment cost is reduced, and the skylight is formed in the top of the sterile syringe sleeve, so that a processing space can be provided for surgery.