CN113100903B - Hand-operated orthopedic guide - Google Patents
Hand-operated orthopedic guide Download PDFInfo
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- CN113100903B CN113100903B CN202110250474.1A CN202110250474A CN113100903B CN 113100903 B CN113100903 B CN 113100903B CN 202110250474 A CN202110250474 A CN 202110250474A CN 113100903 B CN113100903 B CN 113100903B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
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Abstract
The invention relates to the technical field of medical instruments and discloses a hand-operated orthopedic guider which comprises a fixed seat, an upright post, a cross post, a lifting assembly, a rotating clamping assembly, an angle conversion assembly and a fixed universal assembly, wherein the top end of the fixed seat is fixedly connected with the upright post, the inner wall of the upright post is movably connected with the lifting assembly, the left side of the lifting assembly is movably connected with the cross post, the left side of the inner wall of the cross post is movably connected with the rotating clamping assembly, the bottom end of the rotating clamping assembly is movably connected with the angle conversion assembly, and the bottom end of the angle conversion assembly is movably connected with the fixed universal assembly; this hand formula orthopedics director aligns to treating the needle position with patient through the position of adjustment guide needle cover, rotates the fourth crank for the position of guide needle cover is fixed, then the ke shi needle passes the guide needle cover and squeezes into the bone, makes the guide needle cover can change various angles and fix at this angle, thereby is applicable to the doctor with accurate the beating into of ke shi needle and treats the needle bone of applying.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a hand-operated orthopedic guider.
Background
Fracture refers to the destruction of continuity or integrity of cortical bone caused by trauma or pathology, which is commonly called bone fracture, the Kirschner wire is a common internal fixation method for treating fracture in clinical medicine, most of the current methods for treating unstable fracture adopt the Kirschner wire fixation, when the Kirschner wire is used, a doctor drives the Kirschner wire into a bone to be fixed through an electric drill, the Kirschner wire must be driven according to a preset angle and position strictly, otherwise, the fracture recovery of a patient is influenced, and the illness condition is aggravated even in serious cases, therefore, when the kirschner wire is crooked, the kirschner wire is required to be pulled out and driven again, which undoubtedly influences the normal recovery of the patient, in the case of some complicated fracture conditions, a plurality of angles need to be changed when the Kirschner wire is driven into the Kirschner wire by a handheld electric drill, so that the swing is easy to occur, therefore, the hand-operated orthopedic guide for fixing the driving angle of the kirschner wire is provided.
Disclosure of Invention
In order to realize the purpose of fixing the driving angle of the Kirschner wire, the invention provides the following technical scheme: the utility model provides a hand formula orthopedics director, includes fixing base, stand, spreader, lifting unit, rotates centre gripping subassembly, conversion angle subassembly and fixed universal subassembly, fixing base top and stand fixed connection, stand inner wall and lifting unit swing joint, lifting unit left side and spreader swing joint, spreader inner wall left side and rotation centre gripping subassembly swing joint, rotate centre gripping subassembly bottom and conversion angle subassembly swing joint, conversion angle subassembly bottom and fixed universal subassembly swing joint.
As optimization, lifting unit comprises first crank, screw rod, transmission slider, sliding sleeve and guide arm, first crank outer wall is rotated with fixing base inner wall top and is connected, the screw rod rotates with the stand inner wall and is connected, screw rod outer wall and transmission slider inner wall threaded connection, transmission slider outer wall and stand inner wall sliding connection, transmission slider right side and sliding sleeve fixed connection, sliding sleeve inner wall and guide arm sliding connection, guide arm left side and stand fixed connection, transmission slider left side and spreader fixed connection take and rotate centre gripping subassembly, conversion angle subassembly and fixed universal subassembly and carry out elevating movement.
As an optimization, the rotating clamping assembly consists of a second crank, a fixed sleeve, an ejector rod, a round sleeve, a guide rope, a spring push rod, a friction head and a rotating column, wherein the outer wall of the second crank is in threaded connection with the inner wall of the fixed sleeve, the outer wall of the fixed sleeve is fixedly connected with the left side of the inner wall of the cross column, the right side of the second crank is movably connected with the ejector rod, the outer wall of the round sleeve is fixedly connected with the inner wall of the cross column, the outer wall of the rotating column is rotatably connected with the inner wall of the cross column, and the second crank is rotated to move rightwards so as to push the ejector rod to move;
as optimization, the right side of the ejector rod is fixedly connected with the friction head, the outer wall of the ejector rod is connected with the inner wall of the round sleeve in a sliding manner, the left side of the guide rope is fixedly connected with the ejector rod, and the right side of the spring push rod is fixedly connected with the inner wall of the cross column; the column and the rotary column are fixed by the contact of the friction head and the rotary column and the application of acting force.
As optimization, the angle conversion assembly consists of an arc-shaped block, an arc-shaped groove, an arc-shaped sliding block, a transmission gear, a connecting shaft, a third crank, a strip-shaped sliding block, a connecting rod, a conical rod and a spring pull rod, wherein the arc-shaped groove is formed in the inner wall of the arc-shaped block, the inner wall of the arc-shaped groove is connected with the arc-shaped sliding block in a sliding mode, the top end of the transmission gear is meshed with the inner wall of the arc-shaped groove, the top end of the arc-shaped block is fixedly connected with a rotating column, and the fixed universal assembly is driven to move to a position suitable for the acupuncture of a patient through the movement of the arc-shaped sliding block in the arc-shaped groove;
as optimization, arc slider inner wall and bar slider sliding connection, bar slider bottom and connecting rod fixed connection, connecting rod left side spring pull rod fixed connection, spring pull rod left side and arc slider inner wall fixed connection, the connecting rod left side is located spring pull rod below and taper rod fixed connection, the connecting rod inner wall rotates with the third crank to be connected, third crank outer wall rotates with arc piece inner wall right side to be connected, third crank inner wall left side and connecting axle sliding connection, connecting axle left side and drive gear fixed connection, the drive gear left side rotates with the arc slider to be connected, drives drive gear through rotating the third crank and rotates, because drive gear and arc wall meshing for the arc slider can move at the arc wall when drive gear rotates.
As optimization, the fixed universal assembly consists of a movable column, a rectangular block, a chute, a spherical sliding block, a fourth crank, a pull column, a ball sleeve, a rolling ball, a ball panel, a spherical sliding block, a vertical rod, a short rod, a loop bar, an inner rod, an arc top and a needle guide sleeve, wherein the bottom end of the movable column is fixedly connected with the ball sleeve, the bottom end of the inner wall of the ball sleeve is movably connected with the rolling ball, the bottom end of the rolling ball is fixedly connected with the needle guide sleeve, the arc sliding block at the top end of the movable column is fixedly connected, and after the position of the needle guide sleeve is fixed through the fixed universal assembly, a Kirschner wire penetrates through the needle guide sleeve and then is applied with a needle;
as optimization, the inner wall of the movable column is connected with a pull column in a sliding manner, the bottom end of the pull column is connected with a spherical sliding block in a rotating manner, the outer wall of the spherical sliding block is connected with a chute in a sliding manner, the chute is formed in the inner wall of a rectangular block, the top end of the rectangular block is movably connected with the inner wall of the movable column, the inner wall of the rectangular block is connected with the outer wall of a fourth crank in a threaded manner, the outer wall of the fourth crank is positioned on the right side of the rectangular block and is connected with the inner wall of the movable column in a rotating manner, and the rectangular block is driven to move through the rotation of the fourth crank;
as optimization, the pull column bottom end is fixedly connected with the top end of the spherical plate, the spherical plate is connected with the inner wall of the ball sleeve in a sliding manner, the inner wall of the spherical plate is movably connected with the outer wall of the spherical slide block, the spherical slide block bottom end is fixedly connected with the vertical rod, the vertical rod bottom end is rotatably connected with the short rod, the short rod bottom end is rotatably connected with the loop bar, the inner wall of the loop bar is slidably connected with the outer wall of the inner rod, one end, away from the inner rod, of the loop bar is fixedly connected with the arc-shaped top head, the outer wall of the arc-shaped top head is slidably connected with the inner wall of the ball sleeve, and the arc-shaped top head moves towards the direction away from the inner rod until contacting with the inner wall of the ball sleeve and applies an acting force to fix the relative position of the ball sleeve and the ball sleeve.
Preferably, the bottom end of the first crank is meshed with a transmission rod, the transmission rod is rotatably connected with the inner wall of the fixed seat, the outer wall of the transmission rod is meshed with the bottom end of the screw rod, and the first crank is rotated to drive the screw rod to rotate through the transmission rod.
Preferably, the number of the ejector rods and the number of the friction heads are two, the ejector rods and the friction heads are symmetrically arranged about the vertical center line of the rotary column, the right side of the inner wall of the ejector rod, which is positioned on the right side of the rotary column, is fixedly connected with the guide rope, the spring push rod on the right side is fixedly connected with the guide rope, the number of the guide rope is two, and the guide rope is symmetrically arranged about the horizontal center line of the rotary column, so that the rotary column is clamped firmly.
Preferably, the number of the spring pull rods and the auxiliary components thereof is two, and the spring pull rods and the auxiliary components thereof are symmetrically arranged about the horizontal center line of the connecting rod, so that the connecting rod can stably move.
As optimization, the rectangular sliding block is fixedly mounted at the top end of the rectangular block, and the outer wall of the rectangular sliding block is connected with the inner wall of the movable column in a sliding mode, so that the rectangular block moves more stably.
The beneficial effects of the invention are: this hand formula orthopedics director, through rotating arc piece area conversion angle subassembly and rotating to suitable angle, then rotate the second crank, make the position of arc piece fixed, then extract the third crank and rotate right, make arc slider area activity post move suitable position, loosen the third crank and make arc slider's rigidity, then the position of adjustment needle guide cover to treating with patient and giving needle the position alignment, rotate the fourth crank, make the position of needle guide cover fixed, then the ke shi needle passes the needle guide cover and squeezes into the bone, make the needle guide cover can change various angles and fix at this angle, thereby be applicable to the doctor with accurate the beating into of ke shi needle and treat giving needle the bone.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the inner structure of the round sleeve of the present invention;
FIG. 4 is a schematic top cross-sectional view of an arc block of the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 4 according to the present invention;
FIG. 6 is a schematic view of a connection structure of the connection shaft and the third crank handle according to the present invention;
FIG. 7 is a schematic view, partially broken away, of the FIG. 1 structure of the present invention;
FIG. 8 is a left side sectional view of the movable column of the present invention;
FIG. 9 is an enlarged view of the structure at C of FIG. 7 according to the present invention.
In the figure: 100. a fixed seat; 200. a column; 300. a cross post; 400. a lifting assembly; 401. a first crank; 402. a screw; 403. a transmission slide block; 404. a sliding sleeve; 405. a guide bar; 500. rotating the clamping assembly; 501. a second crank; 502. fixing a sleeve; 503. a top rod; 504. a round sleeve; 505. guiding a rope; 506. a spring push rod; 507. a friction head; 508. rotating the column; 600. a conversion angle component; 601. an arc-shaped block; 602. an arc-shaped slot; 603. an arc-shaped sliding block; 604. a transmission gear; 605. a connecting shaft; 606. a third crank; 607. a bar-shaped slider; 608. a connecting rod; 609. a tapered rod; 610. a spring pull rod; 700. fixing the universal assembly; 701. a movable post; 702. a rectangular block; 703. a chute; 704. a spherical slider; 705. a fourth crank; 706. pulling the column; 707. a ball sleeve; 708. rolling a ball; 709. a ball panel; 710. a spherical slider; 711. a vertical rod; 712. a short bar; 713. a loop bar; 714. an inner rod; 715. an arc-shaped plug; 716. a needle guiding sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a hand-operated orthopedic guider comprises a fixed seat 100, an upright post 200, a cross post 300, a lifting assembly 400, a rotating clamping assembly 500, an angle conversion assembly 600 and a fixed universal assembly 700, wherein the top end of the fixed seat 100 is fixedly connected with the upright post 200, the inner wall of the upright post 200 is movably connected with the lifting assembly 400, the left side of the lifting assembly 400 is movably connected with the cross post 300, the left side of the inner wall of the cross post 300 is movably connected with the rotating clamping assembly 500, the bottom end of the rotating clamping assembly 500 is movably connected with the angle conversion assembly 600, and the bottom end of the angle conversion assembly 600 is movably connected with the fixed universal assembly 700;
referring to fig. 1, the elevation assembly 400 adjusts the height of the spreader 300, and the spreader 300 moves with the rotating clamp assembly 500, the angle conversion assembly 600, and the fixed gimbal assembly 700.
Referring to fig. 1, the lifting assembly 400 is composed of a first crank 401, a screw 402, a transmission slider 403, a sliding sleeve 404 and a guide rod 405, wherein the outer wall of the first crank 401 is rotatably connected with the top end of the inner wall of the fixed seat 100, the screw 402 is rotatably connected with the inner wall of the upright post 200, the outer wall of the screw 402 is in threaded connection with the inner wall of the transmission slider 403, the outer wall of the transmission slider 403 is slidably connected with the inner wall of the upright post 200, the right side of the transmission slider 403 is fixedly connected with the sliding sleeve 404, the inner wall of the sliding sleeve 404 is slidably connected with the guide rod 405, the left side of the guide rod 405 is fixedly connected with the upright post 200, the left side of the transmission slider 403 is fixedly connected with the cross post 300, the bottom end of the first crank 401 is engaged with a transmission rod, the transmission rod is rotatably connected with the inner wall of the fixed seat 100, and the outer wall of the transmission rod is engaged with the bottom end of the screw 402;
according to fig. 1, rotating the first crank 401 rotates the screw 402 via the drive link, the screw 402 moves the cross-post 300 via the drive slide 403, and the cross-post 300 moves the rotating clamp assembly 500 to the desired height.
Referring to fig. 1-3, the rotary clamping assembly 500 comprises a second crank 501, a fixed sleeve 502, a top rod 503, a round sleeve 504, a guide rope 505, a spring push rod 506, a friction head 507 and a rotary column 508, wherein the outer wall of the second crank 501 is in threaded connection with the inner wall of the fixed sleeve 502, the outer wall of the fixed sleeve 502 is fixedly connected with the left side of the inner wall of the cross column 300, the right side of the second crank 501 is movably connected with the top rod 503, the outer wall of the round sleeve 504 is fixedly connected with the inner wall of the cross column 300, and the outer wall of the rotary column 508 is rotatably connected with the inner wall of the cross column 300;
according to the figures 1-3, the bottom end of the rotating column 508 is fixedly connected with the arc-shaped block 601, the angle conversion assembly 600 is driven to rotate to a proper angle by rotating the arc-shaped block 601, then the second crank 501 is rotated, and the second crank 501 pushes the ejector rod 503 to move;
referring to fig. 3, the right side of the top rod 503 is fixedly connected with the friction head 507, the outer wall of the top rod 503 is slidably connected with the inner wall of the round sleeve 504, the left side of the guide rope 505 is fixedly connected with the top rod 503, and the right side of the spring push rod 506 is fixedly connected with the inner wall of the cross post 300;
referring to fig. 3, the number of the push rods 503 and the friction heads 507 is two, and the two push rods are symmetrically arranged about the vertical center line of the rotating column 508, the right side of the inner wall of the push rod 503 positioned at the right side of the rotating column 508 is fixedly connected with the guide rope 505, the right side spring push rod 506 is fixedly connected, and the number of the guide rope 505 is two, and the two guide ropes are symmetrically arranged about the horizontal center line of the rotating column 508;
according to fig. 3, the left top rod 503 moves to bring the guide rope 505, the guide rope 505 carries the right top rod 503 to move, the top rod 503 carries the friction head 507 to move towards the rotary column 508 and applies force, so that the position of the rotary column 508 is fixed.
Referring to fig. 1-6, the angle conversion assembly 600 comprises an arc block 601, an arc groove 602, an arc slider 603, a transmission gear 604, a connecting shaft 605, a third crank 606, a bar slider 607, a connecting rod 608, a taper rod 609 and a spring pull rod 610, wherein the arc groove 602 is arranged on the inner wall of the arc block 601, the inner wall of the arc groove 602 is slidably connected with the arc slider 603, the top end of the transmission gear 604 is engaged with the inner wall of the arc groove 602, and the bottom end of the arc slider 603 is fixedly connected with the movable column 701;
according to fig. 1-6, the position of the arc block 601 is fixed after the position of the rotating post 508 is fixed;
referring to fig. 4-6, the inner wall of the arc-shaped sliding block 603 is slidably connected to the bar-shaped sliding block 607, the bottom end of the bar-shaped sliding block 607 is fixedly connected to the connecting rod 608, the spring pull rod 610 at the left side of the connecting rod 608 is fixedly connected to the inner wall of the arc-shaped sliding block 603, the left side of the connecting rod 608 is located below the spring pull rod 610 and is fixedly connected to the taper rod 609, the inner wall of the connecting rod 608 is rotatably connected to the third crank 606, the outer wall of the third crank 606 is rotatably connected to the right side of the inner wall of the arc-shaped block 601, the left side of the inner wall of the third crank 606 is slidably connected to the connecting shaft 605, the left side of the connecting shaft 605 is fixedly connected to the transmission gear 604, the left side of the transmission gear 604 is rotatably connected to the arc-shaped sliding block 603, the number of the spring pull rods 610 and the accessory components thereof is two, and the two are symmetrically arranged with respect to the horizontal center line of the connecting rod 608;
according to the fig. 4-6, the third crank 606 is pulled out to the right so that the conical rod 609 is not clamped with the transmission gear 604, then the third crank 606 drives the connecting shaft 605 to rotate, the connecting shaft 605 drives the transmission gear 604 to rotate, the transmission gear 604 drives the arc-shaped sliding block 603 to slide in the arc-shaped groove 602, the arc-shaped sliding block 603 drives the movable column 701 to move, when the suitable position is reached, the third crank 606 is released so that the conical rod 609 is reset under the action of the spring pull rod 610, the transmission gear 604 is fixed, and the position of the arc-shaped sliding block 603 is fixed.
Referring to fig. 1-9, the fixed gimbal assembly 700 comprises a movable column 701, a rectangular block 702, an inclined groove 703, a spherical slider 704, a fourth crank 705, a pull column 706, a ball sleeve 707, a rolling ball 708, a spherical plate 709, a spherical slider 710, a vertical rod 711, a short rod 712, a loop bar 713, an inner rod 714, an arc-shaped top 715 and a needle guiding sleeve 716, wherein the bottom end of the movable column 701 is fixedly connected with the ball sleeve 707, the bottom end of the inner wall of the ball sleeve 707 is movably connected with the rolling ball 708, and the bottom end of the rolling ball 708 is fixedly connected with the needle guiding sleeve 716;
referring to fig. 2, the inner wall of the movable column 701 is slidably connected with the pull column 706, the bottom end of the pull column 706 is rotatably connected with the spherical slider 704, the outer wall of the spherical slider 704 is slidably connected with the chute 703, the chute 703 is arranged on the inner wall of the rectangular block 702, the rectangular slider is fixedly mounted at the top end of the rectangular block 702, the outer wall of the rectangular slider is slidably connected with the inner wall of the movable column 701, the inner wall of the rectangular block 702 is in threaded connection with the outer wall of the fourth crank 705, and the outer wall of the fourth crank 705 is positioned at the right side of the rectangular block 702 and is rotatably connected with the inner wall of the movable column 701;
according to fig. 8, the ball 708 can freely rotate on the inner wall of the ball sleeve 707, when the ball 708 drives the needle guide sleeve 716 to move to a proper position, the fourth crank 705 is rotated, the fourth crank 705 drives the rectangular block 702 to move, and the rectangular block 702 drives the pull column 706 to move through the action of the inclined groove 703 and the spherical sliding block 704;
referring to fig. 9, the bottom end of the pull rod 706 is fixedly connected to the top end of the spherical plate 709, the spherical plate 709 is slidably connected to the inner wall of the ball sleeve 707, the inner wall of the ball panel 709 is movably connected to the outer wall of the spherical slider 710, the bottom end of the spherical slider 710 is fixedly connected to the vertical rod 711, the bottom end of the vertical rod 711 is rotatably connected to the short rod 712, the bottom end of the short rod 712 is rotatably connected to the loop bar 713, the inner wall of the loop bar 713 is slidably connected to the outer wall of the inner rod 714, the end of the loop bar 713 away from the inner rod 714 is fixedly connected to the arc-shaped top 715, and the outer wall of the arc-shaped top 715 is slidably connected to the inner wall of the ball 708;
referring to fig. 9, the pull rod 706 drives the vertical rod 711 to move through the ball panel 709 and the spherical slider 710, the vertical rod 711 drives the sleeve rod 713 to move through the short rod 712, the sleeve rod 713 drives the arc-shaped head 715 to move until the arc-shaped head contacts with the inner wall of the ball sleeve 707 and applies a force, so that the relative positions of the ball 708 and the ball sleeve 707 are fixed, and the position of the needle guiding sleeve 716 is fixed.
In use, referring to fig. 1-9, the first crank 401 is rotated to drive the screw 402 to rotate through the transmission rod, the screw 402 drives the cross-post 300 to move through the transmission slider 403, the cross-post 300 drives the rotary clamping assembly 500 to move to a suitable height, then the angle conversion assembly 600 is rotated to a suitable angle through the rotary arc-shaped block 601, then the second crank 501 is rotated, the second crank 501 pushes the top rod 503 to move, the top rod 503 on the left side moves to drive the guide rope 505, the guide rope 505 drives the top rod 503 on the right side to move, the top rod 503 drives the friction head 507 to move towards the rotary column 508 and applies force, so that the position of the rotary column 508 is fixed, after the position of the rotary column 508 is fixed, the position of the arc-shaped block 601 is also fixed, then the third crank 606 is pulled out to the taper rod 609 is not clamped with the transmission gear 604, then the third crank 606 drives the connecting shaft 605 to rotate, the connecting shaft 605 drives the transmission gear 604 to rotate, the transmission gear 604 drives the arc-shaped sliding block 603 to slide in the arc-shaped groove 602, the arc-shaped sliding block 603 drives the movable column 701 to move, when the movable column is moved to a proper position, the third crank 606 is released to enable the conical rod 609 to reset under the action of the spring pull rod 610, the transmission gear 604 is fixed, the position of the arc-shaped sliding block 603 is fixed, then the position of the needle guide sleeve 716 is adjusted to be aligned with the position to be applied with the needle of the patient, then the fourth crank 705 is rotated, the fourth crank 705 drives the rectangular block 702 to move, the rectangular block 702 drives the pull column 706 to move through the action of the inclined groove 703 and the spherical sliding block 704, the pull column 706 drives the vertical rod 711 to move through the spherical panel 709 and the spherical sliding block 710, the vertical rod 711 drives the sleeve rod 715 to move through the short rod 712, the sleeve 713 drives the arc-shaped top to move until the contact with the inner wall of the ball sleeve 707 and exert acting force, so that the relative position of the ball 708 and the ball sleeve 707 is fixed, so that the position of the introducer sheath 716 is fixed and a k-wire is then driven through the introducer sheath 716 into the bone.
In conclusion, in the hand-operated orthopedic guide, the arc-shaped block 601 is rotated to a proper angle with the angle conversion assembly 600, then the second crank 501 is rotated to fix the position of the arc-shaped block 601, then the third crank 606 is pulled out to the right and rotated to move the arc-shaped sliding block 603 with the movable column 701 to a proper position, the third crank 606 is loosened to fix the position of the arc-shaped sliding block 603, then the position of the introducer sheath 716 is adjusted to be aligned with the position to be injected by a patient, the fourth crank 705 is rotated to fix the position of the introducer sheath 716, and then a kirschner wire is driven into the bone through the introducer sheath 716, so that the introducer sheath 716 can convert various angles and fix the angles, and the hand-operated orthopedic guide is suitable for a doctor to accurately drive the kirschner wire into the bone to be injected.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (5)
1. The utility model provides a hand formula orthopedics director, includes fixing base (100), stand (200), spreader (300), lifting unit (400), rotates clamping component (500), conversion angle subassembly (600) and fixed universal subassembly (700), its characterized in that: the top end of the fixed seat (100) is fixedly connected with an upright post (200), the inner wall of the upright post (200) is movably connected with a lifting assembly (400), the left side of the lifting assembly (400) is movably connected with a cross post (300), the left side of the inner wall of the cross post (300) is movably connected with a rotating clamping assembly (500), the bottom end of the rotating clamping assembly (500) is movably connected with an angle conversion assembly (600), and the bottom end of the angle conversion assembly (600) is movably connected with a fixed universal assembly (700);
the lifting assembly (400) consists of a first crank (401), a screw (402), a transmission sliding block (403), a sliding sleeve (404) and a guide rod (405), wherein the outer wall of the first crank (401) is rotatably connected with the top end of the inner wall of the fixed seat (100), the screw (402) is rotatably connected with the inner wall of the upright post (200), the outer wall of the screw (402) is in threaded connection with the inner wall of the transmission sliding block (403), the outer wall of the transmission sliding block (403) is in sliding connection with the inner wall of the upright post (200), the right side of the transmission sliding block (403) is fixedly connected with the sliding sleeve (404), the inner wall of the sliding sleeve (404) is in sliding connection with the guide rod (405), the left side of the guide rod (405) is fixedly connected with the upright post (200), and the left side of the transmission sliding block (403) is fixedly connected with the cross post (300);
the rotary clamping assembly (500) consists of a second crank (501), a fixed sleeve (502), an ejector rod (503), a round sleeve (504), a guide rope (505), a spring push rod (506), a friction head (507) and a rotary column (508), wherein the outer wall of the second crank (501) is in threaded connection with the inner wall of the fixed sleeve (502), the outer wall of the fixed sleeve (502) is fixedly connected with the left side of the inner wall of the transverse column (300), the right side of the second crank (501) is movably connected with the ejector rod (503), the outer wall of the round sleeve (504) is fixedly connected with the inner wall of the transverse column (300), and the outer wall of the rotary column (508) is rotatably connected with the inner wall of the transverse column (300);
the right side of the ejector rod (503) is fixedly connected with a friction head (507), the outer wall of the ejector rod (503) is in sliding connection with the inner wall of the round sleeve (504), the left side of the guide rope (505) is fixedly connected with the ejector rod (503), and the right side of the spring push rod (506) is fixedly connected with the inner wall of the cross column (300);
the angle conversion assembly (600) consists of an arc-shaped block (601), an arc-shaped groove (602), an arc-shaped sliding block (603), a transmission gear (604), a connecting shaft (605), a third crank (606), a strip-shaped sliding block (607), a connecting rod (608), a taper rod (609) and a spring pull rod (610), wherein the arc-shaped groove (602) is formed in the inner wall of the arc-shaped block (601), the inner wall of the arc-shaped groove (602) is connected with the arc-shaped sliding block (603) in a sliding mode, and the top end of the transmission gear (604) is meshed with the inner wall of the arc-shaped groove (602);
the inner wall of the arc-shaped sliding block (603) is in sliding connection with a strip-shaped sliding block (607), the bottom end of the strip-shaped sliding block (607) is fixedly connected with a connecting rod (608), a spring pull rod (610) at the left side of the connecting rod (608) is fixedly connected, the left side of the spring pull rod (610) is fixedly connected with the inner wall of the arc-shaped sliding block (603), the left side of the connecting rod (608) is positioned below the spring pull rod (610) and is fixedly connected with a taper rod (609), the inner wall of the connecting rod (608) is rotatably connected with a third crank (606), the outer wall of the third crank (606) is rotatably connected with the right side of the inner wall of the arc-shaped block (601), the left side of the inner wall of the third crank (606) is in sliding connection with a connecting shaft (605), the left side of the connecting shaft (605) is fixedly connected with a transmission gear (604), and the left side of the transmission gear (604) is rotatably connected with the arc-shaped sliding block (603);
the fixed universal assembly (700) consists of a movable column (701), a rectangular block (702), an inclined groove (703), a spherical sliding block (704), a fourth crank (705), a pull column (706), a ball sleeve (707), a rolling ball (708), a spherical plate (709), a spherical sliding block (710), a vertical rod (711), a short rod (712), a loop bar (713), an inner rod (714), an arc-shaped top head (715) and a guide pin sleeve (716), wherein the bottom end of the movable column (701) is fixedly connected with the ball sleeve (707), the bottom end of the inner wall of the ball sleeve (707) is movably connected with the rolling ball (708), and the bottom end of the rolling ball (708) is fixedly connected with the guide pin sleeve (716);
the inner wall of the movable column (701) is connected with a pulling column (706) in a sliding mode, the bottom end of the pulling column (706) is connected with a spherical sliding block (704) in a rotating mode, the outer wall of the spherical sliding block (704) is connected with a chute (703) in a sliding mode, the chute (703) is formed in the inner wall of a rectangular block (702), the top end of the rectangular block (702) is connected with the inner wall of the movable column (701) in a moving mode, the inner wall of the rectangular block (702) is connected with the outer wall of a fourth crank (705) in a threaded mode, and the outer wall of the fourth crank (705) is located on the right side of the rectangular block (702) and is connected with the inner wall of the movable column (701) in a rotating mode;
pull post (706) bottom and ball panel (709) top fixed connection, ball panel (709) and ball cover (707) inner wall sliding connection, ball panel (709) inner wall and spherical slider (710) outer wall swing joint, spherical slider (710) bottom and montant (711) fixed connection, montant (711) bottom rotates with quarter butt (712) to be connected, quarter butt (712) bottom rotates with loop bar (713) to be connected, loop bar (713) inner wall and interior pole (714) outer wall sliding connection, the one end and arc top (715) fixed connection of interior pole (714) are kept away from to loop bar (713), arc top (715) outer wall and spin (708) inner wall sliding connection.
2. The hand-operated orthopedic guide according to claim 1, characterized in that: the bottom end of the first crank handle (401) is meshed with a transmission rod, the transmission rod is rotatably connected with the inner wall of the fixed seat (100), and the outer wall of the transmission rod is meshed with the bottom end of the screw rod (402).
3. The hand-operated orthopedic guide according to claim 1, characterized in that: the number of the ejector rods (503) and the number of the friction heads (507) are two, the ejector rods and the friction heads are symmetrically arranged relative to the vertical center line of the rotary column (508), the right side of the inner wall of the ejector rod (503) on the right side of the rotary column (508) is fixedly connected with the guide rope (505), the spring push rod (506) on the right side is fixedly connected, and the number of the guide rope (505) is two, and the guide rope is symmetrically arranged relative to the horizontal center line of the rotary column (508).
4. The hand-operated orthopedic guide according to claim 1, characterized in that: the number of the spring pull rods (610) and the auxiliary components thereof is two, and the spring pull rods and the auxiliary components thereof are symmetrically arranged about the horizontal center line of the connecting rod (608).
5. The hand-operated orthopedic guide according to claim 1, characterized in that: the top end of the rectangular block (702) is fixedly provided with a rectangular sliding block, and the outer wall of the rectangular sliding block is connected with the inner wall of the movable column (701) in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110250474.1A CN113100903B (en) | 2021-03-08 | 2021-03-08 | Hand-operated orthopedic guide |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110250474.1A CN113100903B (en) | 2021-03-08 | 2021-03-08 | Hand-operated orthopedic guide |
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| Publication Number | Publication Date |
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| CN113100903A CN113100903A (en) | 2021-07-13 |
| CN113100903B true CN113100903B (en) | 2022-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110250474.1A Active CN113100903B (en) | 2021-03-08 | 2021-03-08 | Hand-operated orthopedic guide |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108095819A (en) * | 2018-01-19 | 2018-06-01 | 卢乐 | A kind of hand-rail type orthopedic kirschner pin locating guider |
| CN110141354A (en) * | 2019-06-19 | 2019-08-20 | 青岛大学附属医院 | A kind of Kirschner wire guider and its application method based on pediatric Orthopaedics operative treatment |
| CN209645047U (en) * | 2018-07-04 | 2019-11-19 | 杨阳 | A kind of Kirschner wire guiding device |
| KR102125716B1 (en) * | 2019-11-06 | 2020-06-23 | 의료법인 명지의료재단 | K-wire Guiding Instrument For Reproducible Insertional Angle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014194965A1 (en) * | 2013-06-07 | 2014-12-11 | Stryker Trauma Gmbh | Targeting adjustment system for an intramedullary nail |
-
2021
- 2021-03-08 CN CN202110250474.1A patent/CN113100903B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108095819A (en) * | 2018-01-19 | 2018-06-01 | 卢乐 | A kind of hand-rail type orthopedic kirschner pin locating guider |
| CN209645047U (en) * | 2018-07-04 | 2019-11-19 | 杨阳 | A kind of Kirschner wire guiding device |
| CN110141354A (en) * | 2019-06-19 | 2019-08-20 | 青岛大学附属医院 | A kind of Kirschner wire guider and its application method based on pediatric Orthopaedics operative treatment |
| KR102125716B1 (en) * | 2019-11-06 | 2020-06-23 | 의료법인 명지의료재단 | K-wire Guiding Instrument For Reproducible Insertional Angle |
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|---|---|
| CN113100903A (en) | 2021-07-13 |
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Effective date of registration: 20220824 Address after: 264000 middle section of lvsida Road, Laishan Economic Development Zone, Yantai City, Shandong Province Applicant after: Shandong Wendeng Osteopathic Yantai Hospital Co.,Ltd. Address before: 200000 Shanghai medical equipment (Group) Co., Ltd., room 1001, No.1, Lane 683, Shenhong Road, Minhang District, Shanghai Applicant before: Xu Ting |
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