39 results about "Tendon sheath" patented technology

The invention discloses a bionic wrist joint based on rope driving, and belongs to the technical field of bionic robots. The joint mainly comprises a movable part, a driving part and a tendon-imitating rope group. The movable part is composed of a far-end column carpal bone imitating component, a near-end column carpal bone imitating component and a forearm bone imitating component, two two-rod four-cable tensegrity units are formed through ligament imitating elastic bodies to be connected, and a carpal groove imitating dislocation preventing structure is formed at the connecting position of the components. The driving part comprises a driving wheel set driven by a motor. The two tendon-imitating ropes are guided by the pulleys and the tendon-imitating sheath eyebolts, penetrate through the gaps of the components and then are fixed to the far end of the movable part. The degree of freedom is effectively restrained through the carpal-groove-imitating dislocation-preventing structure, dislocation is prevented, the stability is improved, and the double-degree-of-freedom bionic movement of 180-degree buckling / stretching and 90-degree adduction / abduction is achieved in combination with rope driving. The device has the advantages of being simple in structure, high in self-recovery performance and the like, and is suitable for robot operation scenes needing high flexibility and environment adaptability.

The application discloses an ultrasonic intervention tenosynovitis puncture model, which comprises a lower sleeve, wherein the lower sleeve is provided with an upper sleeve at the upper end, limiting clamping grooves and limiting clamping strips are arranged on the left and right sides between the lower sleeve and the upper sleeve, and the two limiting clamping grooves are respectively arranged in the left and right sides of the lower end of the upper sleeve, and the two limiting clamping strips are respectively fixedly connected to the left and right sides of the upper end of the lower sleeve; limiting clamping holes are arranged in the upper side of the inner part of the front and rear ends of the lower sleeve and the inner wall of the lower side of the front and rear ends of the upper sleeve; the variable tenosynovitis in the model is designed to simulate tenosynovitis of different sizes and positions through inflation, and adjustable teaching scenes are provided, so that the training is closer to the actual clinical situation; the tendon and the variable tenosynovitis are connected through clamping between the connecting clamping blocks and the connecting clamping grooves; the locking sliding head in the connecting clamping block is clamped with the fixed clamping hole in the connecting clamping groove, so that the stability and detachability of the connection are ensured, and the maintenance and replacement are facilitated.

1. The name of the design product: medical medium frequency therapeutic apparatus (tendon sheath). 2. The use of the design product: used for relieving hand tendon sheath discomfort, reducing pain, having acupuncture, massage and hot compress functions. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: assembly state diagram. 5. The design product is a thin product, and the component 2 left view, component 2 right view, component 2 top view, component 2 bottom view and component 2 perspective view are omitted. 6. The design is an assembly product, component 1 is the product host, and component 2 is a winding belt.

The invention provides a dexterous thumb and a dexterous hand. The first appearance piece and the second appearance piece are arranged on the two sides of the second connecting piece correspondingly, the first appearance piece is provided with the first tendon rope sleeve used for allowing the first end of the first tendon rope to pass through, the second appearance piece is provided with the second tendon rope sleeve used for allowing the second end of the first tendon rope to pass through, and the third appearance piece is arranged on the outer side of the third connecting piece; the third appearance part is provided with a third tendon rope sleeve for the second tendon rope to pass through, so that when the first tendon rope drives the second movable connecting piece to rotate and the second tendon rope drives the first movable connecting piece to rotate, the wire outlet direction of the corresponding tendon rope can be restrained through the first tendon rope sleeve, the second tendon rope sleeve and the third tendon rope sleeve; movement interference between the first tendon rope and the second tendon rope is avoided, and then the thumb can be conveniently controlled to conduct various actions.

The utility model discloses a pair of wireless visual tendon searching forceps, which comprises handles, forceps arms and forceps heads which are fixedly connected into a whole, comprising a visualization device. The visual device comprises a power supply, a cold light source and a PCB (Printed Circuit Board) which are integrated at the tail end of the clamp arm, and an imaging lens integrated at the clamping end of the clamp head; the power supply is electrically connected with the cold light source and the PCB respectively; the cold light source guides light to the clamping end of the forceps head through light-guide fibers arranged in the forceps arms; the PCB is provided with a WiFi module used for being in communication connection with external equipment and an image sensor used for processing optical signals into electric signals. And the imaging lens transmits an optical signal to the image sensor through an optical fiber arranged in the clamp arm. By means of the visual device, an operation visual field can be provided for a doctor, the doctor can control the forceps head to stretch into the tendon sheath from an original cutting wound to find the retracted tendon, the recovery difficulty of the retracted tendon can be effectively reduced, and the recovery effect after tendon repair or reconstruction is improved.

The application discloses a soft bionic hand and a robot, the bionic hand comprising a bionic skeleton system, comprising a plurality of sequentially movably connected skeleton members, forming a multi-joint motion chain from a bionic forearm, through a bionic wrist, to a bionic finger end; a plurality of independent flexible driving units, constituting a flexible driving unit array, comprising a first group of flexible driving units for simulating intrinsic muscles of the hand and a second group of flexible driving units for simulating extrinsic muscles of the hand; a bionic tendon transmission system, comprising a plurality of bionic tendons, transmitting driving force of the flexible driving units to each joint in the multi-joint motion chain; a bionic tendon sheath and a pulley system for constraining and guiding a motion path of the bionic tendons; muscle-level bionic partition driving is realized, weight distribution of the hand is optimized, friction is reduced through the bionic tendon sheath and pulley system, and tendon bowstring-like collapse is prevented, so that motion bionics of the bionic hand, wearing comfort and transmission efficiency are improved, and operation is closer to flexibility and coordination of a natural human hand.

This application provides a tendon-driven system, including a first joint, a tendon, a tendon sheath, and an actuating device; a first component of the first joint is connected to a second component and rotates about an axis relative to the second component; a first end of the tendon is connected to the first component, the tendon passes through the tendon sheath, and a second end of the tendon is connected to the actuating device; a first end of the tendon sheath is fixed relative to the second component, and a second end is connected to a tendon sheath seat at the actuating device; the tendon sheath seat is movably disposed, and the second end of the tendon sheath can drive the tendon sheath seat to move, which helps to prevent the tendon sheath from arching. This application also provides a manipulator and a robot including the above-described tendon-driven system.

The utility model relates to the technical field of moxibustion appliances, and discloses a tendon sheath moxibustion device which comprises a disc body, a fixing box capable of containing a plurality of moxibustion rods is arranged on the inner surface of the disc body, hand pads used for containing wrists or forearms are arranged on the two sides of the fixing box, the fixing box comprises a box top arranged in a hexagonal shape, and the box top is provided with a plurality of moxibustion rods. Six partition plates are connected to the periphery of the box top, and the bottoms of the six partition plates are fixed to the inner surface of the tray body. By means of the arc-shaped hand pads, a patient can place hands on the two sides of the device so as to play a role in auxiliary supporting, meanwhile, a plurality of circular openings are formed in the surface of the fixing box, moxibustion rods can be fixed in the different circular openings according to actual requirements, moxibustion can be conducted on the positions, needing to be treated, of the hands in a targeted mode, and the moxibustion effect is good. When the patient is in the sitting position, the tendon sheath moxibustion treatment requirement is met, the treatment experience and comfort of the patient are improved, and the treatment effect is ensured.

The invention discloses a tendon transmission system which comprises a tendon and a tendon sheath, and the tendon slides in the tendon sheath in the axial direction of the tendon sheath. The tendon sheath constraining element is configured to be mounted at a joint, and the joint passes through the tendon sheath constraining element; the tendon sheath restraining elements are flexible elements which can be bent; the tendon sheath constraining element has one or more guide grooves or guide holes inside or outside thereof through which the tendon sheath passes. The invention further discloses the robot. According to the tendon transmission system, the position and the movement range of the tendon sheath can be flexibly restrained, the tendon sheath cannot be disengaged, and movement of all joints spanned by the tendon sheath can be mutually decoupled; the transmission system has the advantages of simple and reliable structure, certain flexibility, long service life, easiness in maintenance and the like, and is particularly suitable for bionic dexterous hands, bionic mechanical feet or other robot parts needing tendon transmission.

The application discloses a tendon puller and belongs to the field of medical devices. The tendon puller comprises a sheath pipe, a clamping part and a scope. The sheath pipe comprises an execution end part provided with a balloon, and the balloon is partially arranged inside the sheath pipe. The clamping part comprises a plurality of clamping claws which are rotationally connected to the inner wall of the sheath pipe and partially extend out of the sheath pipe. The clamping claws are arranged in an annular array around the central axis of the sheath pipe. The clamping claws are connected to the balloon. When the balloon is contracted, the clamping claws are maintained in an initial position. When the balloon is expanded, the clamping claws are driven to rotate along the radial direction of the sheath pipe to a clamping position. The clamping claws which rotate to the clamping position abut against the adjacent clamping claws. The scope is sleeved to the sheath pipe. When the clamping claws are in the initial position, the scope obtains the visual field of the execution end part in the direction away from the sheath pipe. When the clamping claws move from the initial position to the clamping position, the visual field of the scope gradually decreases. Through the above arrangement, the tendon puller can be inserted into the tendon sheath and conveniently take out the broken end of the tendon.

The invention provides a probing and cutting knife for stenosing tenosynovitis, which comprises a knife bar and a probing tongue fixed at the far end part of the knife bar, the probing tongue comprises a front probing tongue extending forwards from the far end part of the knife bar and a rear probing tongue extending backwards from the far end part of the knife bar, the probing cutter further comprises a pair of blades arranged on the rear probing tongue at intervals in the left-right direction, and the blades extend upwards from the rear probing tongue. According to the probing and cutting knife for stenosing tenosynovitis, the front probing tongue and the rear probing tongue are matched to enlarge a gap between a tendon sheath and a tendon, meanwhile, the tendon sheath corresponding to a pair of blades on the rear probing tongue is dissociated and cut off by the blades, the remaining tendon sheath is shortened, and the probability of tendon sheath relapse is greatly reduced.

The application discloses an electrically actuated flexible bionic palm and a bionic robot. The bionic palm comprises a bionic metacarpal skeleton system, a plurality of independent flexible driving units, a bionic tendon transmission system, and a bionic tendon sheath and pulley system. The bionic metacarpal skeleton system comprises a multi-degree-of-freedom metacarpal frame complex body with a palmar arch adduction / abduction degree of freedom and a palmar rotation degree of freedom. The plurality of independent flexible driving units comprise a palmar arch adduction driving group, a palmar arch abduction driving group, a palmar rotation driving group, and a reset driving group for driving a thumb column to reset from a palmar rotation position. The bionic tendon transmission system comprises a plurality of bionic tendons, and driving force is transmitted to the multi-degree-of-freedom metacarpal frame complex body through the bionic tendons. The bionic tendon sheath and pulley system constrain and guide the movement path of the bionic tendons through a plurality of bionic tendon sheaths and / or pulley structures. The curvature and arc of the palmar arch are dynamically adjusted according to different shapes of a gripped object, the gripping stability of the bionic palm is improved, and through antagonistic cooperation of the palmar rotation driving group and the reset driving group, multi-dimensional accurate control of palmar rotation movement is realized, and the operation dexterity is improved.

This endoscope robot arm driving device comprises: a tendon sheath unit including a pair of tendon sheaths for pivot motions spaced apart from each other and extending in the forward / backward direction, a tendon sheath for forceps driving, and a pair of tendon sheaths for forward / backward movements; a robot arm assembly connected to one side of the tendon sheath unit; and an operation unit connected to the other side opposite to one side of the tendon sheath unit. The operation unit may include: a fixing unit having an accommodation space defined on the lower surface thereof; a forward / backward movement operation unit connected to the pair of tendon sheaths for forward / backward movements and disposed in the accommodation space so as to reciprocate in the forward / backward direction with respect to the fixing unit; a pivot motion operation unit connected to the pair of tendon sheaths for pivot motions and coupled to the forward / backward movement operation unit so as to rotate about a rotation axis parallel to the upward / downward direction intersecting the forward / backward direction in the accommodation space; and a forceps driving operation unit connected to the pair of tendon sheaths for forceps driving and coupled to the operation unit for pivot motions.

1. The name of the designed product: guide cutter (carpal tunnel syndrome and tendon sheath inflammation). 2. The use of the designed product: for carpal tunnel surgery. 3. The design points of the designed product: in the combination of shape and color. 4. The picture or photo that best shows the design points: perspective view 1. 5. The design protected contains color.

1. The name of the design product: tendon sheath inflammation treatment device. 2. The use of the design product: for treating tendon sheath inflammation. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: use state perspective view 1.

This invention relates to a visual display for diagnosing tendon sheath tears. A system and method are provided for visually displaying one or more anatomical objects. The process involves receiving one or more 3D medical images of one or more anatomical objects from a patient. A correspondence is determined between the one or more 3D medical images and points on a 2D graph representing the one or more anatomical objects. The 2D graph is updated using patient information extracted from the one or more 3D medical images. The updated 2D graph with the determined correspondences is output.

A tendon-sheath driving device is disclosed. The tendon-sheath driving device, according to one aspect of the present invention, comprises: a tendon-sheath pair which is composed of a tendon and a sheath; and a cartridge which is operatively connected to the tendon-sheath pair and operates so as to enable the tendon and the sheath to move relative to each other. The cartridge may comprise: a body which extends in the front-rear direction, has a predetermined thickness, and has any one among the tendon and the sheath fixed thereto; a moving member which is disposed on one side or the other side in the thickness direction of the body, is coupled so as to be movable in the front-rear direction with respect to the body, and has the other one among the tendon and the sheath fixed thereto; and a locking part which is at least partially disposed on a moving path of the moving member and supports the moving member, which is positioned in an initial position set with respect to the body, so as to fix the position of the moving member.

A rehabilitation training wrist developer belongs to the field of rehabilitation training instruments. Comprising an elastic rubber airbag; the outer circular surface of the elastic rubber air bag is fixedly connected with a finger ring, and the outer circular surface of the elastic rubber air bag is also fixedly connected with a fixing seat for fixing a thumb; the fixed seat is arc-shaped, and an arc-shaped groove and a groove communicated with the arc-shaped groove are formed in the inner circular surface of the fixed seat; pressing air bags are fixedly connected into the arc-shaped grooves and the grooves; the end, located in the arc-shaped groove, of the pressing air bag is fixedly connected to the outer circle face of the elastic rubber air bag, and a through hole communicating the pressing air bag with the elastic rubber air bag is formed in the outer circle face of the elastic rubber air bag. The elastic rubber air bag is used for replacing a traditional body-building hand-muscle developer, inflammation aggravation or secondary injury induction caused by excessive friction between tendons and tendon sheaths is avoided, meanwhile, the functions of pressing the thumb of a patient and stimulating vasodilatation are achieved, blood circulation is promoted, metabolic waste discharge is accelerated, swelling and stiffness are relieved, and the body-building effect is achieved. The muscle tension can be relieved.

1. The name of the design product: tendon sheath inflammation treatment fixing brace. 2. The use of the design product: fixing brace. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view.

Provided is a finger tendon sheath brace capable of adjusting fixing pressure, including a brace fixing plate, a compression screw, a compression plate, an adjustable pressure push rod and a spring. The brace fixing plate is configured as a fixing structure for accommodating a finger to extend in the finger tendon sheath brace, and is provided with a threaded opening in a center of the brace fixing plate in a vertical direction perpendicular to the finger. The compression screw is embedded in the threaded opening of the brace fixing plate through threads to make an end of the compression screw slightly higher than the brace fixing plate and a head end of the compression screw pass through the brace fixing plate and enter a cavity for accommodating the finger. The compression plate is connected with a head end of an adjustable pressure push rod inner sleeve.

The tenosynovitis treatment device comprises a supporting table, the top of the supporting table is of a slope surface structure, a sliding groove is formed in the slope surface of the supporting table in the width direction, and a transverse inserting groove is formed in the side wall of the supporting table; an arc-shaped finger support is connected into the sliding groove through a sliding block, a pair of supporting rods are erected on the long edges of the left side and the right side of the arc-shaped finger support in parallel, and the top ends, close to the supporting table slope, of the two supporting rods are connected into a whole through an arc-shaped bent rod; at least one pair of pull rods consistent with the width direction of the arc-shaped finger support horizontally penetrate through the two supporting rods, the rod walls of the pull rods are in threaded connection with back shore nuts located on the outer side of the arc-shaped finger support, and the opposite ends of each pair of pull rods are provided with hook plates bent downwards; a liquid inlet pipe is arranged on the arc-shaped bent rod in a penetrating mode, the liquid outlet end of the liquid inlet pipe is communicated with a flushing pipe in an inserted mode, and flushing openings are evenly distributed in the flushing pipe. The utility model has the advantages that the hand can be kept in a specific posture for a long time while the treatment is facilitated, the comfort of the hand is improved, the compliance of a patient is improved, and the flushing effect at a finger tenosynovitis incision is improved.

The present application provides a tendon transmission structure for driving joint movement; the tendon transmission structure includes: a driver, a control tendon, and a joint; the output end of the driver is connected to the control tendon, and a group of drivers pull the joint through the control tendon respectively; the tendon transmission structure also includes a tendon sheath and a tendon sheath fixing element; the tendon sheath fixing element includes a first tendon sheath fixing element and a second tendon sheath fixing element; one end of the tendon sheath is arranged at the first tendon sheath fixing element, and the other end is connected to the second tendon sheath fixing element at the joint; a part of the control tendon passes through the tendon sheath and is slidably arranged in the tendon sheath; the tendon sheath is a flexible bending part; the control tendon slidably arranged in the tendon sheath can flexibly bend with the tendon sheath; tendon transmission can achieve spatial leaps and realize long-distance drive control.

1. The name of the design product: disposable minimally invasive tendon sheath knife. 2. The use of the design product: treatment of tendon sheath inflammation. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The application discloses a distal radius intramedullary fixation system for treating distal radius fracture; comprising a main nail fixing unit and a secondary nail fixing unit; the main nail fixing unit comprises a hollow intramedullary main nail, a main nail aiming guide, a main nail connecting nut, a fixing nut and a main nail fixing screw; the secondary nail fixing unit comprises an intramedullary secondary nail, a secondary nail aiming guide, a secondary nail connecting nut and a secondary nail fixing screw; the system realizes the triangular support fixation of the distal radius through the composite structure of the main nail and the secondary nail, and meanwhile, all implantation paths avoid the key sensitive structures such as the palmar nerve blood vessel, the radial styloid process and the dorsal muscle tendon sheath, so that the surgical iatrogenic injury and the tendon stimulation risk are fundamentally reduced.

The application discloses a kind of bionic tendon sheath and preparation method, spinning membrane forming process includes the following steps: step one, first, cylindrical sleeve is filled with gas, and a layer of cylindrical membrane is formed on the cylindrical sleeve (130), to form a side of the outer surface of the membrane;Step two, negative pressure suction is carried out to the cylindrical sleeve (130), so that the part of the cylindrical sleeve (130) between the side of the support sheet away from the shaft (110) has an arc greater than the diameter when it is inflated into a cylindrical surface;Step three, continue spinning operation, the rotating drum is changed to step-by-step rotation, so that the part of the cylindrical sleeve between the side of each support sheet receives drawing one by one, to form a thicker part, the concentration of hyaluronic acid in the part is 3-80%, to form the inside of the membrane;After the part between each support sheet forms thicker inside, the cylindrical sleeve is filled with gas again, and continuous rotation receives drawing, to form another outside surface of the membrane;Step four, after cutting, bionic tendon sheath is formed.The concentration of hyaluronic acid in the inside and outside of the formed membrane is different, and the inside is high and the outside is low, which is conducive to preventing and treating tendon adhesion while promoting tendon sliding and healing.

The utility model discloses a kind of endoscope operation multi-modal support and joint protection auxiliary device, including mobile chassis, workbench, folding seat, wrist support assembly and multi-axis mechanical arm, workbench is set on mobile chassis, folding seat is hinged with workbench, multi-axis mechanical arm and wrist support assembly are set on workbench before and after;Hand of multi-axis mechanical arm is equipped with magnetic fixing clamp.The utility model sets up multi-axis mechanical arm and wrist support assembly on workbench, multi-axis mechanical arm is used to be stabilized by magnetic fixing clamp The operating part of endoscope is clamped, replace the load of the left hand of doctor to hold up endoscope, and multi-axis mechanical arm can provide multiple degrees of freedom motion, realize the flexible adjustment of endoscope;And wrist support assembly is used to provide to wrist steady support, and wrist pressure when doctor adjusts angle knob is dispersed to workbench, effectively reduce the incidence of wrist joint strain and tendon sheath inflammation.

The utility model discloses a disposable crochet needle with scales for tenosynovitis treatment, which belongs to the field of disposable crochet needles and comprises a crochet needle component, the crochet needle component comprises a holding rod, a filling rod is inserted into the holding rod, a first placing groove is formed in the surface of the filling rod, and a bottom block is rotatably connected into the first placing groove. The upper end of the bottom block is fixedly connected with an identification piece, the upper end of the identification piece is fixedly connected with a fixing block, the upper end of the fixing block is fixedly provided with a crochet hook body, the surface of the crochet hook body is engraved with scale marks, and the surface of the holding rod is provided with a second containing groove. According to the disposable crochet needle, the crochet needle body is prevented from being polluted, the use safety is improved, meanwhile, through mutual cooperation of the structures, the use stability of the crochet needle body can be improved, the tendon sheath depth of the crochet needle body can be accurately controlled, and then the practicability of the disposable crochet needle can be enhanced.

The invention belongs to the field of biomedical materials, and particularly relates to injectable self-healing hydrogel for preventing tendon adhesion. The preparation method comprises the following steps: carrying out methacrylic acid and oxidation modification on hyaluronic acid; performing hydrazide bond modification on four-arm polyethylene glycol, and introducing a hydrazide functional group; a hydrazide group in the modified four-arm polyethylene glycol and an aldehyde group in the oxidized hyaluronic acid are subjected to a condensation reaction, a dynamic covalent hydrazone bond is formed, and the injectable self-healing hydrogel for preventing tendon adhesion is obtained. According to the present invention, the prepared composite material has characteristics of excellent injectable property, excellent mechanical property and excellent self-healing property, can simulate the normal tendon sheath lubricating mechanism, can form the stable boundary lubricating layer on the tendon surface, and can continuously provide the lubricating effect so as to effectively prevent the occurrence of the tendon adhesion.

This invention discloses a rope-driven bionic wrist joint, belonging to the field of bionic robotics. The joint mainly comprises a movable part, a driving part, and a set of tendon-like ropes. The movable part consists of components mimicking the distal and proximal carpal bones, and forearm bones, connected by two two-bar, four-cable tensioned integral units formed by mimicking ligament elastomers. A carpal groove anti-dislocation structure is formed at the component connection point. The driving part includes a motor-driven drive wheel assembly. Two tendon-like ropes are guided by pulleys and tendon sheath bolts, passing through the gaps between components and fixed to the distal end of the movable part. This invention utilizes the carpal groove anti-dislocation structure to effectively constrain degrees of freedom, prevent dislocation, and improve stability. Combined with rope drive, it achieves approximately 180° flexion / extension and 90° adduction / abduction bionic motion. It features a simple structure and strong self-recovery capabilities, making it suitable for robot operation scenarios requiring high flexibility and environmental adaptability.

The utility model discloses an improved small needle knife for tenosynovitis treatment, which comprises a knife head, a needle body, a connecting part and a holding part, the knife head is fixedly arranged at the front end of the needle body, the rear end of the needle body is directly connected with the holding part or is fixed with the holding part through the connecting part, and the connecting part enables the axial direction of the needle body and the holding part to form an included angle. The tool bit is provided with an inwards-sunken cutting part. The utility model aims to provide the improved small needle knife for treating tenosynovitis, which has the advantages of compact and reliable structure, multiple use modes, convenience in operation and convenience in stripping by applying force.