CN113413222B - Micro-root tip is 3D for operation to print drag hook - Google Patents
Micro-root tip is 3D for operation to print drag hook Download PDFInfo
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- CN113413222B CN113413222B CN202110689493.4A CN202110689493A CN113413222B CN 113413222 B CN113413222 B CN 113413222B CN 202110689493 A CN202110689493 A CN 202110689493A CN 113413222 B CN113413222 B CN 113413222B
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- 238000010146 3D printing Methods 0.000 claims abstract description 21
- 238000001356 surgical procedure Methods 0.000 claims abstract description 18
- 210000003296 saliva Anatomy 0.000 claims description 12
- 238000013016 damping Methods 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims 1
- 210000000214 mouth Anatomy 0.000 description 16
- 230000000694 effects Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 244000309464 bull Species 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 210000001114 tooth apex Anatomy 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000004053 periapical tissue Anatomy 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000036407 pain Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C5/00—Filling or capping teeth
- A61C5/40—Implements for surgical treatment of the roots or nerves of the teeth; Nerve needles; Methods or instruments for medication of the roots
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
- A61B90/16—Bite blocks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B90/361—Image-producing devices, e.g. surgical cameras
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/06—Saliva removers; Accessories therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C5/00—Filling or capping teeth
- A61C5/90—Oral protectors for use during treatment, e.g. lip or mouth protectors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B90/361—Image-producing devices, e.g. surgical cameras
- A61B2090/3618—Image-producing devices, e.g. surgical cameras with a mirror
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Heart & Thoracic Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Pathology (AREA)
- Neurosurgery (AREA)
- Neurology (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention relates to the technical field of microscopic apical surgery, and particularly discloses a 3D printing retractor for microscopic apical surgery, which comprises a working frame, wherein the centers of the top and the bottom of the working frame are both in threaded connection with a first threaded rod, one end of the first threaded rod, which is close to the center of the working frame, is rotatably connected with a working plate, the interior of the working plate is movably connected with a pull rod, one end of the pull rod, which is close to the center of the working frame, is fixedly connected with a fixed plate, one side of the fixed plate, which is close to the center of the working frame, is provided with two sleeve plates, one side of each sleeve plate, which is close to the center of the working frame, is movably inserted with a retractor body, the interior of the retractor body, which is far away from the center of the working frame, is rotatably connected with a rotating rod, the surface of the retractor body, which is close to the center of the working frame, is fixedly connected with a second threaded rod, and the left side and right side of one end, which is close to the center of the working frame, of each connecting block, is fixedly connected with a limiting frame; the invention can fix the position of the draw hook and simultaneously avoid the influence of the position of the lips of a patient on the operation.
Description
Technical Field
The invention relates to the technical field of microscopic root tip operations, in particular to a 3D printing draw hook for the microscopic root tip operations.
Background
The micro apical operation is an operation such as apical excision, apical inverted preparation, apical inverted filling, and apical scraping of a tooth apical and periapical tissues with the aid of a dental operation microscope using a precision microsurgical instrument, and aims to control periapical infection to promote healing of periapical lesions and regeneration of periapical tissues.
Because tooth apex buries in the inside of gum, consequently when doing the apex operation, need cut the gum open, make tooth apex naked expose, just so make things convenient for medical personnel to operate on tooth apex, but the operation is accomplished the back, still need to sew up the gum after cutting, prevent that tooth apex is direct to expose in the external world, consequently the gum can not cut completely, only can cut an incision, and overturn the gum after cutting through the drag hook, thereby conveniently carry out the operation, but current drag hook is after the gum upset of pulling cutting, still need medical personnel to fix the position of drag hook with the hand always, very trouble, can anaesthetize patient's oral cavity simultaneously in the operation process, alleviate patient's pain, but make patient's lip be difficult to receive control simultaneously, thereby in the operation process, the lip causes the interference to the operation easily.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the 3D printing drag hook for the microscopic root tip surgery, which has the advantages that medical staff are not required to fix the position of the drag hook by hands all the time, the interference of lips on the surgery is avoided, and the like, and solves the problems that the medical staff are required to fix the position of the drag hook by hands all the time, and the lips of a patient are easy to interfere with the surgery.
The invention discloses a 3D printing retractor for microscopic root tip surgery, which comprises a working frame, wherein the centers of the top and the bottom of the working frame are both in threaded connection with a first threaded rod, one end, close to the center of the working frame, of the first threaded rod is rotatably connected with a working plate, the interior of the working plate is movably connected with a pull rod, one end, close to the center of the working frame, of the pull rod is fixedly connected with a fixed plate, one side, close to the center of the working frame, of the fixed plate is provided with two sleeve plates, one side, close to the center of the working frame, of each sleeve plate is movably inserted with a retractor body, the interior, far away from the center of the working frame, of each retractor body is rotatably connected with a rotating rod, the surface, close to the center of the working frame, of each retractor body is fixedly connected with a second threaded rod, the surface of each pull rod is slidably connected with a connecting block, the left side and the right side, close to one end, close to the center of the working frame, of each connecting block is fixedly connected with a limiting frame, the left side and the right side of the working frame is rotatably connected with a sleeve rod, the position, the sleeve rod is slidably connected with a sliding rod, and the top of the sleeve rod, and the top of the sliding rod is fixedly connected with a shading mirror.
The 3D printing drag hook for the microscopic root tip operation comprises a first threaded rod, a working plate, a pull rod, a connecting groove and a connecting rod, wherein the first threaded rod penetrates through the surface of the working frame, the position of the working plate is located inside the working frame, the surface of the working frame is provided with the connecting groove which is communicated up and down, the pull rod penetrates through the connecting groove and is movably connected with the connecting groove, the position of the working plate is limited through the structure, and the first threaded rod rotates to drive the working plate to move inside the working frame.
According to the 3D printing draw hook for the microscopic apical operation, the movable groove which is communicated up and down is formed in the working plate, the pull rod is movably connected into the movable groove, the connecting block is connected into the movable groove in a sliding mode and connected with the pull rod in a sliding mode, the working plate can be prevented from blocking the movement of the pull rod and the fixing plate under the action of the movable groove, and meanwhile the position relation between the pull rod and the connecting block is limited.
According to the 3D printing drag hook for the microscopic apex surgery, the left side and the right side of one end, away from the center of the working frame, of the fixing plate are fixedly connected with the limiting blocks, the positions of the limiting blocks correspond to the positions of the limiting frames, the inner walls of the limiting frames are fixedly connected with damping rubber, the shapes and the sizes of the inner parts of the limiting frames are matched with the shapes and the sizes of the limiting blocks, the limiting blocks can be movably inserted into the inner parts of the limiting frames, and therefore the positions of the fixing plate and the drag hook body are fixed under the action of the damping rubber arranged in the limiting frames and the limiting frames.
According to the 3D printing drag hook for the microscopic apical operation, the sliding groove is formed in one side, close to the center of the working frame, of the fixing plate, the sliding block is fixedly connected to the surface of the sleeve plate, close to the center of the working frame, and the sliding block is connected to the inside of the sliding groove in a sliding mode.
According to the 3D printing drag hook for the microscopic apical operation, the left side and the right side of the rotating rod penetrate through the left side and the right side of the drag hook body, the inner wall of the rotating rod is provided with the threads, the shape and the size of the inner part of the rotating rod are matched with those of the second threaded rod, and the rotating rod is connected with the second threaded rod through the threads.
According to the 3D printing draw hook for the microscopic apical operation, the left side of the draw hook body is of an L-shaped structure, the hook is fixedly connected to one side of the back of the draw hook body, which is close to the center of the working frame, and the structure is arranged, so that the device can customize the draw hook body and the hook through a 3D printing technology and analysis of the oral cavity of a patient, the device can be more suitable for the oral environment of the patient and the size of the gap between teeth, and the operation is convenient to carry out.
According to the 3D printing retractor for the microscopic apical operation, the displacement groove is formed in the position, close to the left side, of the front face of the working frame, the mirror is connected to the inside of the displacement groove in a sliding mode, and due to the structural arrangement, medical workers can observe positions, which are difficult to observe, in the oral cavity through the mirror in the operation process.
According to the 3D printing draw hook for the microscopic apical operation, the connecting clamping blocks are fixedly connected to the positions, close to the left side and the right side, of the front face of the working frame, the shape and the size of each connecting clamping block are matched with the shape and the size of the suction pipe of the saliva suction device for the dental operation, and the structure is arranged, so that when the saliva suction device is required to be used for cleaning the oral cavity of a patient in the operation process, the device can fix the suction pipe of the saliva suction device and the oral cavity of the patient through the clamping connection between the connecting clamping blocks and the suction pipe of the saliva suction device, the saliva suction device can conveniently clean the interior of the oral cavity of the patient, and the influence of the suction pipe on the operation is avoided.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the arranged working plate, the movable groove and the connecting block and the limiting frame which are arranged in the movable groove, the pull rod, the fixed plate, the drag hook body and the limiting block are matched, when the device is used, after the cut gum is turned over by using the drag hook body, the positions of the pull rod, the fixed plate and the drag hook body can be fixed through movable splicing between the limiting block and the limiting frame, and under the action of damping rubber on the inner wall of the limiting frame, the position of the drag hook body is not required to be fixed by medical personnel with hands, the hands of the medical personnel are liberated, so that the operation is convenient to carry out.
2. According to the invention, through the sleeve plate, the sliding block and the sliding grooves formed in the fixed plate, the drag hook body, the rotating rod and the second threaded rod are matched, so that the distance between the two drag hook bodies can be changed by rotating the rotating rod and driving the sleeve plate and the drag hook body to move on the surface of the fixed plate under the effect of threaded connection between the rotating rod and the second threaded rod, the device can be suitable for gums with different incision sizes, and meanwhile, through the hook arranged on the drag hook body, the device can be movably inserted between the drag hook body and the sleeve plate, so that the drag hook body and the hook can be correspondingly printed and manufactured in 3D according to the oral cavity detection report of a patient, so that the drag hook body and the hook are matched with the oral cavity and the tooth gap of the patient, and the operation is convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic cross-sectional front view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic bottom view of the present invention;
FIG. 4 is a schematic bottom view of the working plate of the present invention;
FIG. 5 is a front cross-sectional structural view of the drag link, the fixing plate and the drag hook body of the present invention;
FIG. 6 is a front view of the drag link, the fixing plate and the drag hook body;
FIG. 7 is a left side view of the retractor body of the present invention;
fig. 8 is a front cross-sectional structural view of an apparatus in embodiment 2 of the present invention.
In the figure: 1. a working frame; 11. connecting grooves; 2. a first threaded rod; 21. a working plate; 22. a movable groove; 3. a pull rod; 31. a fixing plate; 32. a chute; 33. a limiting block; 4. sheathing; 41. a slider; 5. a drag hook body; 51. a rotating rod; 52. a second threaded rod; 53. hooking; 6. connecting blocks; 61. a limiting frame; 7. a loop bar; 71. a slide bar; 72. a light shielding lens; 8. a displacement slot; 81. a mirror; 9. and connecting the clamping blocks.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the various embodiments of the invention. It should be understood, however, that these physical details should not be taken to limit the invention. That is, in some embodiments of the invention, such details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Example 1:
referring to fig. 1-7, the 3D printing retractor for microscopic root tip surgery of the invention comprises a working frame 1, wherein the centers of the top and the bottom of the working frame 1 are both connected with a first threaded rod 2 in a threaded manner, one end of the first threaded rod 2 close to the center of the working frame 1 is rotatably connected with a working plate 21, the inner part of the working plate 21 is movably connected with a pull rod 3, one end of the pull rod 3 close to the center of the working frame 1 is fixedly connected with a fixed plate 31, one side of the fixed plate 31 close to the center of the working frame 1 is provided with two sleeve plates 4, one side of each sleeve plate 4 close to the center of the working frame 1 is movably connected with a retractor body 5 in an inserting manner, the inner part of the retractor body 5 far away from the center of the working frame 1 is rotatably connected with a rotating rod 51, the surface of the retractor body 5 close to the center of the working frame 1 is fixedly connected with a second threaded rod 52, the surface of the pull rod 3 is slidably connected with a connecting block 6, the left and right sides of the end of the connecting block 6 close to the center of the working frame 1 are both fixedly connected with a limiting frame 61, the left and right sides of the connecting block 6 of the working frame 1 are rotatably connected with sleeve rods 7, the inner part of the sleeve rods 7 close to the positions of the sleeve rods 7 close to the top are slidably connected with a sliding rod 71, and a sliding rod 72 is fixedly connected with a sliding rod 71, and a sliding rod 71 is fixedly connected to the top of the sliding rod 71.
First threaded rod 2 runs through the surface of work frame 1, and the position of work board 21 is located the inside of work frame 1, and the spread groove 11 that link up has from top to bottom been seted up on the surface of work frame 1, pull rod 3 run through spread groove 11 and with spread groove 11 looks swing joint, this structure setting has been injectd the position of work board 21 for 2 rotations of first threaded rod can drive work board 21 and remove in the inside of work frame 1.
The activity groove 22 that link up about having a perfect understanding is seted up to the inside of working plate 21, pull rod 3 swing joint in the inside of activity groove 22, 6 sliding connection in the inside of activity groove 22 and between connecting block 6 and the pull rod 3 looks sliding connection, this structure setting can avoid working plate 21 to lead to the fact the hindrance to the removal of pull rod 3 and fixed plate 31 under the effect of activity groove 22, has injectd the position relation between pull rod 3 and the connecting block 6 simultaneously.
The equal fixedly connected with stopper 33 in the left and right sides of the one end of work frame 1 central authorities is kept away from to fixed plate 31, the position of stopper 33 is corresponding with the position of spacing frame 61, the inside shape size of inner wall fixedly connected with damping rubber of spacing frame 61 and spacing frame 61 inside agrees with the shape size of stopper 33 mutually, this structure sets up, make stopper 33 can the activity peg graft in the inside of spacing frame 61, thereby under the damping rubber effect of setting up in spacing frame 61 and spacing frame 61, fix the position of fixed plate 31 and drag hook body 5.
The fixed plate 31 has been seted up near one side of work frame 1 central authorities spout 32, and the lagging 4 fixed surface that is close to work frame 1 central authorities is connected with slider 41, and slider 41 sliding connection has been in the inside of spout 32, and this structure setting has been injectd the relation of being connected between lagging 4 and the work frame 1, avoids lagging 4 and fixed plate 31's surface separation to can play the effect of adjusting distance between two drag hook bodies 5 simultaneously.
The left and right sides of bull stick 51 all runs through the left and right sides of drag hook body 5, screw thread has been seted up to the inner wall of bull stick 51, the inside shape size of bull stick 51 agrees with mutually and is connected through the screw thread between bull stick 51 and the second threaded rod 52 with the shape size of second threaded rod 52, this structure sets up, make to rotate bull stick 51, alright under the effect of threaded connection between bull stick 51 and second threaded rod 52, make two drag hook bodies 5 remove to opposite direction, thereby be convenient for adjust position and distance between two drag hook bodies 5.
The left side of drag hook body 5 is "L" font structure, and 5 backs of drag hook body and be close to one side fixedly connected with couple 53 of 1 central authorities of work frame, and this structural setting makes the device can pass through 3D printing technique, and through the analysis to the patient oral cavity, thereby customizes drag hook body 5 and couple 53, makes the device laminate patient's oral cavity environment and the size in tooth gap more, the going on of the operation of being convenient for.
Example 2:
please refer to fig. 8, the front side of the working frame 1 and the positions close to the left and right sides are fixedly connected with a connection fixture block 9, the shape and size of the connection fixture block 9 are matched with the shape and size of a suction tube of the saliva suction device for dental surgery, so that when a patient with an oral cavity loving for saliva is encountered, the saliva suction device is required to be used for cleaning the oral cavity of the patient in the surgery process, the saliva suction device can be fixed with the oral cavity of the patient by connecting the fixture block 9 and the suction tube of the saliva suction device, and the saliva suction device is convenient to clean the inside of the oral cavity of the patient, thereby avoiding the influence of the suction tube on the surgery.
When the invention is used, firstly, the working frame 1 is sleeved around the lips of a patient, the back surface of the working plate 21 is inserted into the mouth of the patient, meanwhile, the position of the lens 72 is adjusted by the slide rod 71 and the sleeve rod 7, the lens 72 is worn on the eyes of the patient, the damage of the shadowless lamp used in the operation process to the eyes of the patient is avoided, then, the first threaded rod 2 can be rotated, the working plate 21 is driven by the first threaded rod 2 to move to one side far away from the center of the working frame 1, so that the lips of the patient can be always kept in an open state under the action of the working plate 21, the lips of the patient are prevented from being uncontrolled under the anesthesia action, the influence of the lips on the operation is avoided, then, a worker can rotate the rotating rod 51, and drive the sleeve plate 4 and the drag hook body 5 to move on the surface of the fixing plate 31 under the action of threaded connection between the rotating rod 51 and the second threaded rod 52, thereby changing the distance between the two drag hook bodies 5, ensuring that the distance between the two drag hook bodies 5 is equal to the distance between the gum to be cut, then cutting the gum into an incision for operation, then turning the incised gum to one end far away from the teeth by utilizing the drag hook bodies 5 and the hook 53, simultaneously pulling the drag rod 3, utilizing the drag rod 3 to drive the drag hook bodies 5, the hook 53 and the fixed plate 31 to move to one side far away from the working frame 1, and ensuring that the limit block 33 arranged on the fixed plate 31 is inserted into the limit frame 61, and the positions of the drag rod 3, the fixed plate 31 and the drag hook bodies 5 can be fixed by the movable insertion between the limit block 33 and the limit frame 61 under the action of the damping rubber on the inner wall of the limit frame 61, thereby medical personnel do not need to fix the position of the drag hook bodies 5 by hands, and the hands of the medical personnel are liberated, thereby facilitating the performance of the operation.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a micro-root tip is 3D for operation to print drag hook, includes the work frame, its characterized in that: the center of the top and the bottom of the working frame is in threaded connection with a first threaded rod, one end, close to the center of the working frame, of the first threaded rod is rotatably connected with a working plate, the inside of the working plate is movably connected with a pull rod, one end, close to the center of the working frame, of the pull rod is fixedly connected with a fixed plate, one side, close to the center of the working frame, of the fixed plate is provided with two sleeve plates, one side, close to the center of the working frame, of each sleeve plate is movably inserted with a drag hook body, the inside of the drag hook body, far away from the center of the working frame, is rotatably connected with a rotating rod, the surface of the drag hook body, close to the center of the working frame, is fixedly connected with a second threaded rod, the surface of the pull rod is slidably connected with a connecting block, the left side and the right side, close to the center of the working frame, of each connecting block is fixedly connected with a limiting frame, the left side and the right side of the working frame are rotatably connected with sleeve rods, the positions, close to the tops of the sleeve rods are slidably connected with slide rods, and the top of the anti-glare glasses are fixedly connected with the top of the connecting blocks;
the left side and the right side of the rotating rod penetrate through the left side and the right side of the retractor body, threads are formed in the inner wall of the rotating rod, the shape and the size of the inner part of the rotating rod are matched with those of the second threaded rod, and the rotating rod is connected with the second threaded rod through the threads;
the equal fixedly connected with stopper in the left and right sides of the one end of work frame central authorities is kept away from to the fixed plate, the position of stopper is corresponding with the position of spacing frame, the inner wall fixedly connected with damping rubber of spacing frame and the inside shape and size of spacing frame agree with mutually with the shape and size of stopper.
2. The 3D printing retractor for the microscopic root tip surgery as claimed in claim 1, is characterized in that: first threaded rod runs through the surface of work frame, the position of work board is located the inside of work frame, the spread groove that link up from top to bottom is seted up on the surface of work frame, the pull rod run through the spread groove and with the connected slot looks swing joint.
3. The 3D printing retractor for the microscopic root tip surgery as claimed in claim 1, is characterized in that: the connecting device is characterized in that a movable groove which is communicated up and down is formed in the working plate, the pull rod is movably connected into the movable groove, the connecting block is connected into the movable groove in a sliding mode, and the connecting block is connected with the pull rod in a sliding mode.
4. The 3D printing retractor for the microscopic root tip surgery as claimed in claim 1, is characterized in that: the fixed plate is close to the side of work frame central authorities and has seted up the spout, and the lagging surface fixed connection who is close to work frame central authorities has the slider, slider sliding connection is in the inside of spout.
5. The 3D printing retractor for the microscopic root tip surgery as claimed in claim 1, is characterized in that: the left side of drag hook body is "L" font structure, the drag hook body back just is close to one side fixedly connected with couple in work frame center.
6. The 3D printing retractor for the microscopic root tip surgery as claimed in claim 1, is characterized in that: the front face of the working frame and the position close to the left side of the working frame are provided with displacement grooves, and mirrors are connected inside the displacement grooves in a sliding mode.
7. The 3D printing retractor for the microscopic root tip surgery as claimed in claim 1, is characterized in that: the working frame is openly just to be close to the equal fixedly connected with in position department of the left and right sides and connect the fixture block, the overall dimension of connecting the fixture block agrees with the suction tube overall dimension of inhaling saliva device for dental surgery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110689493.4A CN113413222B (en) | 2021-06-22 | 2021-06-22 | Micro-root tip is 3D for operation to print drag hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110689493.4A CN113413222B (en) | 2021-06-22 | 2021-06-22 | Micro-root tip is 3D for operation to print drag hook |
Publications (2)
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