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105 results about "Arthroscopy" patented technology

Arthroscopy (also called arthroscopic or keyhole surgery) is a minimally invasive surgical procedure on a joint in which an examination and sometimes treatment of damage is performed using an arthroscope, an endoscope that is inserted into the joint through a small incision. Arthroscopic procedures can be performed during ACL reconstruction.

A joint cavity positioning method and device based on deep learning model

The present application relates to the technical field of joint cavity positioning, and specifically provides a joint cavity positioning method and device based on a deep learning model, the method comprising the steps of: S1, acquiring an arthroscopic image, and preprocessing the arthroscopic image to obtain an enhanced image; S2, acquiring joint cavity position information based on a pre-trained joint cavity positioning model and the enhanced image; the pre-training of the joint cavity positioning model comprises: A1, training a pre-built deep learning model using a pre-collected general medical image dataset to obtain a preliminary positioning model; A2, expanding a pre-collected arthroscopic image dataset of rare bone and joint diseases to obtain an expanded image dataset, and then dynamically adjusting the regularization strength of the preliminary positioning model based on an adaptive regularization coefficient function according to the joint cavity morphological diversity index of the expanded image dataset to obtain a joint cavity positioning model; the method can accurately locate the joint cavity of rare bone and joint diseases.
Owner:乐清市人民医院

Operating forceps for temporal-mandibular arthroscopic glide membrane chondroma operation

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.
Owner:BEIJING STOMATOLOGY HOSPITAL CAPITAL MEDICAL UNIV

Guide wire capturing system for posterior cruciate ligament reconstruction

The invention belongs to the technical field of medical apparatus and instruments, and aims to solve the problems that a guide wire can be guided only through assistance of a rear approach after a tibial tunnel is established for posterior cruciate ligament reconstruction at present, and an arthroscope cannot see a tibial dead point of a posterior cruciate ligament only through a front approach, so that a doctor lacks direct visual reference when operating the guide wire to guide in; the invention provides a posterior cruciate ligament reconstruction guide wire capturing system, aiming at solving the technical problems that the positioning difficulty and the error risk are increased because the posterior cruciate ligament reconstruction guide wire capturing system only depends on experience and indirect image assistance, and comprises a handheld grab handle, a positioning sleeve, a positioning crank arm and a positioning end, and further comprises a tibia guide wire mechanism and a guide wire capturing mechanism, the tibia guide wire mechanism is arranged in the positioning sleeve in a sleeved mode and used for guiding in a guide wire through a tibia tunnel. The guide wire capturing mechanism is rotationally connected with the positioning end and used for capturing and locking the guide wire, and the guide wire can conveniently penetrate out of a bone tunnel behind the tibia. The guide wire can be captured and locked, the guide wire can be conveniently guided in, and the positioning difficulty and the error risk are reduced.
Owner:SHENZHEN LONGGANG DISTRICT NO 2 PEOPLES HOSPITAL

Tool kit for the implantation of a tendon fixation implant

ActiveUS20260000501A1Suture equipmentsLigamentsHuman medicineArthroscopy
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.
Owner:INOVEDIS GMBH

Arthroscopic bone grafting positioner accurate in positioning and not prone to dislocation

The utility model relates to the field of medical instruments, and discloses an arthroscopic bone grafting positioner which is accurate in positioning and not prone to dislocation, the arthroscopic bone grafting positioner comprises a positioning structure, a threading structure and two sleeves, the positioning structure is provided with a guide sliding groove structure, and the guide sliding groove structure comprises a guide sliding groove handle. An arc-shaped plate is fixedly connected to the position, close to the lower end, of the center of the front side wall of the guide sliding groove handle, a sliding groove is formed in the center of the lower end face of the arc-shaped plate, the threading structure comprises a sleeve rod, a side plate is fixedly connected to the center of one side wall of the sleeve rod, and wire holes are formed in the centers of the rear side walls of the sleeve rod and the side plate respectively. According to the utility model, the guide chute structure is arranged, so that before use, the guide chute structure can extend into the joint cavity, the subsequent installation of the positioning structure is facilitated, the installation is convenient, and the damage to the soft tissue of a patient can be reduced.
Owner:FIRST HOSPITAL AFFILIATED TO GENERAL HOSPITAL OF PLA

Needle grasping forceps under arthroscope

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.
Owner:SHANGHAI CITY JIADING DISTRICT CENT HOSPITAL

Arthroscope composite plasma knife

The utility model belongs to the technical field of minimally invasive surgery, and relates to an arthroscope composite plasma knife which comprises a handle, a knife body tube shell, a hook-shaped electrode knife head and a horseshoe-shaped electrode knife head. The hook-shaped electrode tool bit and the horseshoe-shaped electrode tool bit are respectively wrapped by insulating materials and installed in the tool body tube shell, the top end of the horseshoe-shaped electrode tool bit extends out of the upper portion of the tool body tube shell, the hook-shaped electrode tool bit is of a telescopic structure, and the top end of the hook-shaped electrode tool bit in the extending state is higher than the top end of the horseshoe-shaped electrode tool bit. And the top end of the hook-shaped electrode tool bit in the retracted state is lower than that of the horseshoe-shaped electrode tool bit. By designing the hook-shaped electrode tool bit and the horseshoe-shaped electrode tool bit, switching between the hook-shaped electrode tool bit and the horseshoe-shaped electrode tool bit can be achieved quickly, surgical tools do not need to be replaced frequently, surgical difficulty is reduced, surgical efficiency is improved, and purchasing and maintaining cost of surgical instruments is reduced.
Owner:SHANDONG FIRST MEDICAL UNIVERSITY FIRST AFFILIATED HOSPITAL (QIANFO MOUNTAIN HOSPITAL OF SHANDONG PROVINCE)

Medical flusher

The utility model relates to a medical flusher. The medical flusher comprises a shell; the control module is arranged in the shell and comprises a motor, a rubber cup body, an energy supply part and a control part; the flushing pipeline is arranged on the outer side of the shell and comprises a flushing pipe, a liquid inlet pipe and a connecting piece; when an endoscopic surgery is carried out, the puncture outfit is inserted into a solution, the control module motor drives the rubber cup body to do circulating and reciprocating motion, then suction and drainage actions are formed in a cavity formed by the rubber cup body, the solution flows to the second flushing pipe through a liquid inlet pipe through a water pipe hole formed in the rubber cup body, and the solution flows into the second flushing pipe through another water pipe hole of the rubber cup body. When the arthroscope sheath cavity channel is flushed, liquid flows to the first flushing pipe till the arthroscope position, flushing of blood or foreign matter in the arthroscope sheath cavity channel is achieved, and then the flushed liquid flows out through an opposite path. The medical flusher has the effect of effectively solving the problems that an existing medical flusher is inconvenient to operate, has the risk of cross infection of patients after being repeatedly used, and cannot be connected with a table in an operation.
Owner:LUKA (CHONGQING) MEDICAL EQUIP CO LTD

Anchor implanting device and anchor

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.
Owner:HANGZHOU HUAMAI MEDICAL DEVICES CO LTD

Arthroscopic surgery auxiliary device

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.
Owner:TONGXIANG HOSPITAL OF TRADITIONAL CHINESE MEDICINE

Bicep tenodesis arthroscopic staple

ActiveUS12390217B2Suture equipmentsStaplesBody of humerusArthroscopy
An arthroscopic staple used by a surgeon to arthroscopically fixate the tendon of the long head of the biceps brachii in-situ to the humerus within the bicipital groove when performing an arthroscopic high supra-pectoral biceps tenodesis is provided. The arthroscopic staple includes a cylindrical body, and the top of the cylindrical body includes a center aperture formed by a central vertical cavity located at the center of the cylindrical body. The cylindrical body includes a first aperture and a second aperture formed by a first vertical cavity and a second vertical cavity radially displaced from the center of the cylindrical body and a pair of protrusions located on the underside of the cylindrical body. Each of the protrusions includes a sharp point and at least one barb.
Owner:MATARAZZO MARC F

Tendon repair implant and method of arthroscopic implantation

PendingUS20250366977A1LigamentsMusclesTissue remodelingArthroscopy
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.
Owner:ROTATION MEDICAL INC

Arthroscopic surgical retractable metal working cannula

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.
Owner:THE THIRD AFFILIATED HOSPITAL OF PLA NAVAL MEDICAL UNIVERSITY

Metaphyseal distraction osteotomy reduction device for treating ulnar strike syndrome through wrist arthroscope

PendingCN120392225ASurgical sawsUlnar headDiaphysis
The invention discloses a metaphyseal distraction osteotomy reduction device for treating ulnar impingement syndrome through a wrist arthroscope. The device comprises a bottom plate, and a surrounding mechanism, a distraction mechanism, an osteotomy mechanism and a reduction mechanism are fixedly installed on the bottom plate; the encircling mechanism is provided with a placing space conforming to the far end of the ulna of the wrist joint of the human body; the distraction mechanism is used for distraction of skin tissue around the metaphysis and exposure of an ulnar metaphysis osteotomy area. The reset mechanism resets the ulna bone after osteotomy through a reset hook, and a screw guide needle is arranged in the ulna bone according to a kirschner wire guide hole in the ulna bone. The device has the advantages of structural integration, ergonomic design, accurate distraction and osteotomy, powerful reset function and the like, and an efficient, safe and accurate solution is provided for treating ulnar impingement syndrome through a wrist arthroscope.
Owner:THE 988TH HOSPITAL OF THE CHINESE PEOPLES LIBERATION ARMY JOINT LOGISTICS SUPPORT FORCE

Tendon surgery nail knot systems and methods

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.
Owner:MILLER DREW

Pulse extrusion device used in arthroscopy

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.
Owner:THE THIRD AFFILIATED HOSPITAL OF XINXIANG MEDICAL UNIV

Arthroscopic suturing tool for orthopedics department

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.
Owner:CENT HOSPITAL AFFILIATED TO SHENYANG MEDICAL COLLEGE

Systems and methods for treating a joint

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.
Owner:STRYKER CORP

Application of CircSS18 in drugs for treating osteoarthritis and drug preparation method

The present invention discloses the use of CircSS18 in a drug for the treatment of osteoarthritis and a method for its preparation. Local intra-articular injection of a nano-controlled-release hydrogel composite overexpressing circSS18 has significant potential clinical value in the targeted treatment of osteoarthritis: 1. Compared with current clinical local intra-articular injections of sodium hyaluronate and platelet-rich plasma (PRP), this method has a clear target and mechanism of action, making the treatment more targeted and effective, and a curative approach. 2. Compared with current clinical oral symptomatic treatments such as NSAIDs and glucosamine, this method can fundamentally inhibit the progression of osteoarthritis. 3. Compared with surgical procedures such as arthroscopy and joint replacement, this method is less invasive, less expensive, more feasible, and more practical, making it more acceptable to patients.
Owner:广州医科大学附属清远医院(清远市人民医院)

Systems and methods for treating a joint

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.
Owner:STRYKER CORP

Arthroscopic Cannula and Insertion Tool

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.
Owner:CONMED CORP

Minimally invasive treatment device for patients with gouty stones on body surfaces of four limbs

The invention relates to the technical field of surgical instruments, in particular to a minimally invasive treatment device for patients with gouty stones on body surfaces of four limbs, which comprises an operating rod and a maintenance treatment component, one side of the operating rod is movably sleeved with an operating handle in a sealing manner, one side of the operating rod is provided with an operating head, and one side of the operating head is provided with an open spoon groove; a hollow channel is formed in the side, penetrating through the center, in the operating rod, the operating head is communicated with one side of the operating rod, a switching assembly is arranged on the side, away from the operating head, of the operating rod and comprises a medical tee joint, only skin micropore incision is needed in operation, trauma is small, postoperative recovery of a patient is fast, and postoperative recovery time is shorter; by means of the water spraying flushing and medicine injection functions, adhesion between the tophus and surrounding tissue can be rapidly weakened, the difficulty in the operation is reduced, and compared with arthroscopic treatment and water acupuncture treatment, the device is higher in efficiency, shorter in treatment time and smaller in damage to the surrounding tissue.
Owner:DONGGUAN DAOSHENG HOSPITAL

Protective arthroscope planer

The invention belongs to the technical field of planing devices, and particularly relates to a protective arthroscope planing device which is characterized in that the protective arthroscope planing device comprises a handle assembly, the handle assembly is fixedly connected with a connecting pipe, the other end of the connecting pipe is fixedly connected with a tool bit shell, and a planing tool bit mechanism is arranged in the tool bit shell; a net-shaped planing window is arranged at the front end of the planing tool bit mechanism and composed of a plurality of grid hole arrays, and an elastic protective gauze is fixedly connected to the inner side of the net-shaped planing window. According to the invention, the net-shaped planing window is composed of a plurality of grid hole arrays, a traditional large-size window is decomposed into tiny windows, inhalation of soft tissues such as nerves and blood vessels is prevented from a physical structure, and when the pressure sensor detects that the pressure exceeds the standard, the shape memory alloy frame of the elastic protective gauze is elastically unfolded under the instruction of the control module; the medical silica gel gauze is driven to form a buffer protection layer, and the risk of soft tissue injury is reduced through double protection.
Owner:SHENZHEN SECOND PEOPLES HOSPITAL (SHENZHEN INST OF TRANSLATIONAL MEDICINE)

Arthroscopic access cannula

ActiveCN224403739UAvoid tearingAvoid loosening and fallingOuter CannulaArthroscopy
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.
Owner:QINGDAO JIUYUAN MEDICAL TECH CO LTD

Suture measuring devices and methods

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.
Owner:COR MEDICAL VENTURES INC

Arthroscopic graft delivery system

PCT designated stage expiredWO2025155560A1DiagnosticsSurgical needlesCartilage tumorGonial angle
An arthroscopic graft delivery system and methods are provided for treating bone voids and cartilage type defects. The arthroscopic graft delivery system includes a cannula, a threaded extruder, and an obturator. The cannula is an elongated member having a proximal cannula and an extrusion tip. The proximal cannula receives a portion of graft to deliver to a treatment site. The threaded extruder enables pushing the graft from the proximal cannula into the cannula. The obturator enables pushing the graft through the cannula and out of the extrusion tip. The extrusion tip includes an extrusion hole surrounded by an extrusion surface. The extrusion surface is at an angle with respect to the cannula. A spatula surface opposite of the extrusion surface enables smoothing and contouring the graft at the treatment site. Laser marked indicators and labels indicate proper orientation of the arthroscopic graft delivery system both externally and arthroscopically.
Owner:IN2BONES USA LLC

Posterior cruciate ligament tibial insertion avulsion fracture reduction and positioning nail guide and its usage method

InactiveCN115317114BSurgeryTibial bonePosterior cruciate ligament
The present invention provides a reduction and positioning nail guide for posterior cruciate ligament tibial insertion avulsion fractures in the field of medical devices and a usage method. First, establish anterolateral and anteromedial approaches. The arthroscope enters the posteromedial compartment through the space between the posterior cruciate ligament and the medial femoral condyle via the anterolateral approach. After exposing the medial gastrocnemius tendon through the high-level posteromedial approach, insert the lens into the high-level posteromedial approach as the observation approach to expose the posterior cruciate ligament tibial insertion avulsion fracture fragment. Then, perform reduction and temporary fixation of the fracture fragment through the extremely high-level posteromedial approach using this device. Drill a Kirschner wire into the fracture fragment with the first sleeve and the second sleeve in this device, and screw in a hollow nail under the guidance of the Kirschner wire for fixation. It is convenient to reduce and fix the PCL tibial insertion avulsion fracture fragment, facilitate the fixation of the Kirschner wire and the hollow screw, can effectively avoid the risk of popliteal neurovascular injury, and the operation is simple and easy to establish, having extensive popularization and application value in the field of medical device technology.
Owner:YULIN CITY SECOND HOSPITAL (CITY ORTHOPEDIC HOSPITAL) +1

An arthroscopic assisted drilling decompression positioning device for femoral head necrosis

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.
Owner:THE 984TH HOSPITAL OF THE CHINESE PEOPLES LIBERATION ARMY JOINT LOGISTICS SUPPORT FORCE

Arthroscope cannula capable of managing sutures

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.
Owner:RENJI HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE