CN110623707B - Ultrasonic osteotome convenient for angle adjustment - Google Patents

Ultrasonic osteotome convenient for angle adjustment Download PDF

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Publication number
CN110623707B
CN110623707B CN201911072318.XA CN201911072318A CN110623707B CN 110623707 B CN110623707 B CN 110623707B CN 201911072318 A CN201911072318 A CN 201911072318A CN 110623707 B CN110623707 B CN 110623707B
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positioning
gear
osteotome
supporting seat
spring
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CN110623707A (en
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孙延玲
尹建
牛敏
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B17/320068Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Dentistry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Mechanical Engineering (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)

Abstract

The invention discloses an ultrasonic osteotome convenient for angle adjustment, which comprises a handle and an ultrasonic osteotome, wherein the ultrasonic osteotome is detachably arranged on one side of the handle, the ultrasonic osteotome also comprises a supporting seat, a rotating mechanism is arranged on one side of an inner cavity of the supporting seat, the other side of the supporting seat is connected with a connecting rod through a pin shaft, the inner cavity of the supporting seat is positioned on the right side of the rotating mechanism and is fixedly connected with a positioning rod, the rotating mechanism is limited and braked under the action of the positioning rod, one side of the connecting rod is fixedly connected with a sector gear meshed and connected with the rotating mechanism, and the other side of the connecting rod is provided with a clamping mechanism. When clinical use, the change of the supersound osteotome of being convenient for, labour saving and time saving during the change reduces medical personnel's the operation degree of difficulty, in addition, can realize the angle change between supersound osteotome and the handle, does benefit to the doctor and finds suitable angle when the sword, reduces the complexity of operation, going on of the operation of being convenient for, and then helps the success rate of operation.

Description

Ultrasonic osteotome convenient for angle adjustment
Technical Field
The invention relates to the technical field of medical machinery, in particular to an ultrasonic osteotome convenient for angle adjustment.
Background
Ultrasonic osteotomes are innovative techniques having many features and advantages not comparable to conventional manual and powered orthopedic surgical instruments. The medical instrument is used for performing bone surgery by using the high-intensity focused ultrasound principle (cavitation effect, thermal effect and mechanical effect). Sometimes referred to as an ultrasonic bone treatment instrument. The knife utilizes a high-intensity focused ultrasound technology, converts electric energy into mechanical energy through an energy converter, vaporizes water in tissue cells in contact through high-frequency ultrasonic oscillation, and breaks protein hydrogen bonds, so that bone tissues needing to be cut in an operation are thoroughly damaged;
the ultrasonic osteotome has wide application prospect in minimally invasive spine surgery, craniotomy, fracture repair surgery, jaw cyst, dental bad tooth removal and other surgeries, and can be selected according to surgery requirements. At present, although the ultrasonic osteotome is widely used, there still exist some disadvantages, for example, the mounting structure of the ultrasonic osteotome is complex, it wastes time and labor when the ultrasonic osteotome is replaced, the energy of medical staff is wasted, in addition, the structure of the human body is complex, the angle between the ultrasonic osteotome and the handle is difficult to change, so that it is difficult for the doctor to find a proper angle when the doctor is going to the osteotome, it is difficult to reduce the complexity of the operation, and the operation is inconvenient to be performed.
Disclosure of Invention
The invention aims to provide an ultrasonic osteotome convenient for angle adjustment, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an ultrasonic osteotome convenient for angle adjustment comprises a handle, an ultrasonic osteotome and a supporting seat, wherein the ultrasonic osteotome is detachably arranged at one side of the handle,
the ultrasonic bone knife is characterized in that a rotating mechanism is installed on one side of an inner cavity of the supporting seat, the other side of the supporting seat is connected with a connecting rod through a pin shaft, the inner cavity of the supporting seat is located on the right side of the rotating mechanism and fixedly connected with a positioning rod, the rotating mechanism is limited and braked under the action of the positioning rod, a sector gear meshed and connected with the rotating mechanism is fixedly connected to one side of the connecting rod, and a clamping mechanism is arranged on the other side of the connecting rod and detachably installed with the ultrasonic bone knife.
Preferably, rotary mechanism includes pivot, gag lever post, first spring, sleeve, gear, first constant head tank and knob, the pivot is pegged graft in the inner chamber bottom of supporting seat, pivot and gag lever post fixed connection, and the outside of gag lever post is the rectangle, supreme first spring and the sleeve of having cup jointed respectively are down followed to the outer wall of gag lever post, and make by the shape restriction of gag lever post sleeve and gag lever post can realize synchronous revolution, telescopic outer wall interference fit has the gear of being connected with sector gear engagement, first constant head tank has all been seted up along circumference to one side relative of gear and locating lever, and the locating lever pegs graft with first constant head tank and can realize the rotary braking of gear, the outer wall and the knob fixed connection of supporting seat are extended to telescopic top.
Preferably, the clamping mechanism comprises a limiting block, a circular groove, a second spring and a positioning bead, the right side of the limiting block is fixedly connected with the left side of the connecting rod, the limiting block is cuboid in external shape, the circular groove is formed in four circumferential surfaces of the limiting block, the second spring and the positioning bead are respectively inserted into the circular groove from inside to outside, and the part of the positioning bead extends out of the circular groove under the action of the elastic force of the second spring.
Preferably, a limiting groove is formed in one side of the ultrasonic osteotome, the other side of the ultrasonic osteotome is a working end, the limiting groove is sleeved on the limiting block and is fixed to the axis of the ultrasonic osteotome, a second positioning groove is formed in the inner wall of the limiting groove and corresponds to the circular groove, and a positioning ball enters the second positioning groove to realize linear positioning of the ultrasonic osteotome.
Preferably, the knob is pressed down to drive the gear to move downwards to be separated from the positioning rod, so that the axial brake of the gear can be released, and the sector gear can be driven to rotate.
Preferably, the length of the positioning ball extending out of the circular groove is smaller than the radius of the positioning ball, so that the positioning ball is prevented from being ejected by the elastic force of the second spring.
The ultrasonic osteotome convenient for angle adjustment has the beneficial effects that:
1. the clamping mechanism is matched with the upper positioning groove and the second positioning groove of the ultrasonic osteotome to realize the back-and-forth drawing and inserting of the ultrasonic osteotome, so that the ultrasonic osteotome can be conveniently replaced, time and labor are saved during replacement, and the operation difficulty of medical personnel is reduced;
2. according to the invention, the rotation and braking of the sector gear can be realized through the matching of the rotating mechanism and the positioning rod, so that the change of the angle between the ultrasonic osteotome and the handle is realized, a doctor can find a proper angle when performing osteotome, the complexity of the operation is reduced, the operation is convenient to perform, and the success rate of the operation is further facilitated.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of the support base of the present invention;
FIG. 3 is an exploded view of the rotary mechanism of the present invention;
FIG. 4 is a schematic view of a positioning rod of the present invention;
FIG. 5 is a schematic view of the ultrasonic osteotome configuration of the present invention;
fig. 6 is an exploded view of the card moving mechanism of the present invention.
In the figure: 1. handle, 2, supersound osteotome, 3, supporting seat, 4, rotary mechanism, 41, pivot, 42, gag lever post, 43, first spring, 44, sleeve, 45, gear, 46, first constant head tank, 47, knob, 5, locating lever, 6, connecting rod, 7, sector gear, 8, clamping mechanism, 81, stopper, 82, circular slot, 83, second spring, 84, location pearl, 9, spacing groove, 10, second constant head tank.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: an ultrasonic osteotome convenient for angle adjustment comprises a handle 1 and an ultrasonic osteotome 2, wherein the ultrasonic osteotome 2 is a tool for destroying bone tissues by utilizing high-frequency ultrasonic oscillation, the ultrasonic osteotome 2 is detachably arranged at one side of the handle 1 and also comprises a supporting seat 3,
rotary mechanism 4 is installed to inner chamber one side of supporting seat 3, the opposite side of supporting seat 3 has connecting rod 6 through round pin hub connection, it is fixed to sector gear 7 and clamping mechanism 8 through connecting rod 6, the inner chamber of supporting seat 3 is located rotary mechanism 4's right side fixedly connected with locating lever 5, the bottom shape of locating lever 5 is the taper shape, be convenient for locating lever 5 inserts in first locating slot 46, thereby realize gear 45's axial braking, make rotary mechanism 4 spacing and braking under locating lever 5's effect, sector gear 7 that one side fixedly connected with of connecting rod 6 and rotary mechanism 4 meshing are connected, the rotation that utilizes sector gear 7 changes the angle of supersound bone knife 2, the opposite side of connecting rod 6 is provided with clamping mechanism 8, and clamping mechanism 8 and supersound bone knife 2 demountable installation.
As a preferable scheme, further, the rotating mechanism 4 includes a rotating shaft 41, a limiting rod 42, a first spring 43, a sleeve 44, a gear 45, a first positioning groove 46 and a knob 47, the rotating shaft 41 is inserted at the bottom of the inner cavity of the supporting seat 3, the rotating shaft 41 is fixedly connected with the limiting rod 42, the outer portion of the limiting rod 42 is rectangular, the limiting rod 42 is inserted in the sleeve 44 in a matching manner, so that the limiting rod 42 axially fixes the sleeve 44 to realize synchronous rotation of the limiting rod 42 and the sleeve 44, the outer wall of the limiting rod 42 is sleeved with the first spring 43 and the sleeve 44 from bottom to top respectively, the first spring 43 is a rotating spring, the elastic coefficient is 35N/CM, elastic deformation is generated after stretching or extrusion, the first positioning groove 46 and the positioning rod 5 are stably connected by using the elastic force of the first spring 43, and the sleeve 44 and the limiting rod 42 can realize synchronous rotation by the shape restriction of the limiting rod 42, the outer wall interference fit of sleeve 44 has the gear 45 of being connected with sector gear 7 meshing, rotation drive sector gear 7 through gear 45 rotates, first constant head tank 46 has all been seted up along circumference to gear 45 and the relative one side of locating lever 5, a plurality of angles when can realizing gear 45 through a plurality of first constant head tanks 46 and rotate are fixed, and locating lever 5 pegs graft with first constant head tank 46 and can realize the rotation braking of gear 45, the length that locating lever 5 extends to in the first constant head tank 46 is less than gear 45's thickness, when guaranteeing that first constant head tank 46 breaks away from with locating lever 5, gear 45 still can keep the engaged state with sector gear 7, the outer wall and the knob 47 fixed connection of supporting seat 3 are extended to the top of sleeve 44.
As a preferable scheme, further, the locking mechanism 8 comprises a limiting block 81, a circular groove 82, a second spring 83 and a positioning bead 84, the right side of the limiting block 81 is fixedly connected with the left side of the connecting rod 6, the limiting block 81 is cuboid in external shape, the limiting block 81 is inserted in the limiting groove 9 in a matching manner, the ultrasonic osteotome 2 is axially fixed, circular grooves 82 are formed on four circumferential surfaces of the limiting block 81, a second spring 83 and a positioning bead 84 are respectively inserted into the circular grooves 82 from inside to outside, and the part of the positioning ball 84 extends out of the circular groove 82 under the elastic force of the second spring 83, the second spring 83 is a rotary spring, the elastic coefficient is 30N/CM, the second spring 83 generates elastic deformation after being stretched or extruded, and is restored to the initial state after external force is removed, and the second spring 83 drives the positioning ball 84 to keep stable contact with the second positioning groove 10 by utilizing the self elastic force.
As preferred scheme, further, spacing groove 9 has been seted up to one side of supersound osteotome 2, and the opposite side of supersound osteotome 2 is the work end, spacing groove 9 cup joints on stopper 81 to supersound osteotome 2 axis fixed, second constant head tank 10 has all been seted up with the corresponding position of circular slot 82 to the inner wall of spacing groove 9, the inner wall of second constant head tank 10 is the curved surface, do benefit to second constant head tank 10 extrusion location pearl 84 and remove under the drive of supersound osteotome 2, and location pearl 84 gets into and can realize sharp location to supersound osteotome 2 in the second constant head tank 10.
Preferably, the knob 47 is further pressed, the driving gear 45 moves downwards to be separated from the positioning rod 5, the axial brake of the gear 45 can be released, the sector gear 7 can be driven to rotate, the gear 45 and the sector gear 7 can be meshed for transmission and brake by utilizing the up-and-down movement of the gear 45, the use by a user is facilitated, and the angle adjustment between the ultrasonic osteotome 2 and the handle 1 is facilitated.
Preferably, the length of the positioning ball 84 extending out of the circular groove 82 is smaller than the radius of the positioning ball 84, so that the positioning ball 84 is prevented from being ejected by the elastic force of the second spring 83, and the positioning ball 84 can be stably moved in the circular groove 82 at any time, thereby realizing long-term use of the locking mechanism 8.
The detailed connection means is well known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.
When the ultrasonic osteotome 2 needs to be replaced, the ultrasonic osteotome 2 is pulled in the reverse direction of the handle 1, the second positioning groove 10 pushes the positioning ball 84 to move towards the circular groove 82 and extrude the second spring 83, the linear positioning of the ultrasonic osteotome 2 is released, a new ultrasonic osteotome 2 can be taken down and replaced, the positioning ball 84 is forced to move again along with the movement of the limiting groove 9 towards the limiting block 81, the positioning ball 84 is completely sleeved on the limiting block 81, the second spring 83 pushes the positioning ball 84 to move outwards under the action of the self elasticity to be inserted into the second positioning groove 10, the replaced ultrasonic osteotome 2 is braked, the replacement of the ultrasonic osteotome 2 is realized, when the angle of the ultrasonic osteotome 2 needs to be adjusted, the knob 47 is pressed downwards to cause the sleeve 44 and the gear 45 to move downwards and extrude the first spring 43, the first positioning groove 46 on the gear 45 is separated from the positioning rod 5, the braking of the gear 45 is released, clockwise or anticlockwise rotation knob 47, but gear 45 and gag lever post 42 on sleeve 44 are clockwise or anticlockwise rotatory in step under the spacing of pivot 41, thereby make gear 45 drive sector gear 7 anticlockwise or clockwise rotation, ultrasonic osteotome 2 takes place to rotate under the effect of connecting rod 6 simultaneously, change the angle between ultrasonic osteotome 2 and the handle 1, loosen knob 47, first spring 43 pushes down gear 45 and upwards removes under self elastic force, can make the first constant head tank 46 cover of relative position on locating lever 5, gear 45 braking after the rotation, thereby realize the angular adjustment of ultrasonic osteotome 2, when clinical use, be convenient for the change of ultrasonic osteotome 2, time saving and labor saving, still can carry out the angular adjustment of ultrasonic osteotome 2, reduce the operation degree of difficulty of operation, be convenient for doctor's operation of cutting down, more do benefit to clinical operation and use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides an supersound osteotome convenient to angle regulation, includes handle (1) and supersound osteotome (2), supersound osteotome (2) demountable installation is in one side of handle (1), its characterized in that: also comprises a supporting seat (3),
a rotating mechanism (4) is installed on one side of an inner cavity of the supporting seat (3), a connecting rod (6) is connected to the other side of the supporting seat (3) through a pin shaft, a positioning rod (5) is fixedly connected to the right side of the rotating mechanism (4) in the inner cavity of the supporting seat (3), the rotating mechanism (4) is limited and braked under the action of the positioning rod (5), a sector gear (7) meshed and connected with the rotating mechanism (4) is fixedly connected to one side of the connecting rod (6), a clamping mechanism (8) is arranged on the other side of the connecting rod (6), and the clamping mechanism (8) and the ultrasonic bone knife (2) are detachably installed;
the rotating mechanism (4) comprises a rotating shaft (41), a limiting rod (42), a first spring (43), a sleeve (44), a gear (45), a first positioning groove (46) and a knob (47);
the rotating shaft (41) is inserted at the bottom of the inner cavity of the supporting seat (3), the rotating shaft (41) is fixedly connected with the limiting rod (42), the outer part of the limiting rod (42) is rectangular, the outer wall of the limiting rod (42) is respectively sleeved with a first spring (43) and a sleeve (44) from bottom to top, and the shape of the limiting rod (42) limits the sleeve (44) and the limiting rod (42) to realize synchronous rotation, the outer wall of the sleeve (44) is in interference fit with a gear (45) which is in meshed connection with the sector gear (7), one side of the gear (45) opposite to the positioning rod (5) is provided with a first positioning groove (46) along the circumferential direction, the positioning rod (5) is inserted into the first positioning groove (46) to realize the rotation brake of the gear (45), the top of the sleeve (44) extends out of the outer wall of the supporting seat (3) and is fixedly connected with a knob (47);
the knob (47) is pressed down to drive the gear (45) to move downwards to be separated from the positioning rod (5), so that the axial brake of the gear (45) can be released, and the sector gear (7) can be driven to rotate.
2. The ultrasonic osteotome defined in claim 1 wherein said angle is adjustable by: the clamping mechanism (8) comprises a limiting block (81), a circular groove (82), a second spring (83) and a positioning ball (84);
the right side of stopper (81) and the left side fixed connection of connecting rod (6), the outside shape of stopper (81) is the cuboid, circular slot (82) have all been seted up to four faces in the circumference of stopper (81), the inside from interior to exterior of circular slot (82) is pegged graft respectively and is had second spring (83) and location pearl (84), and receives the spring action of second spring (83) to make the part of location pearl (84) extend outside circular slot (82).
3. The ultrasonic osteotome facilitating angle adjustment of claim 2, wherein: spacing groove (9) have been seted up to one side of supersound bone knife (2), and the opposite side of supersound bone knife (2) is the work end, it is right on stopper (81) to cup joint spacing groove (9) supersound bone knife (2) axis is fixed, second constant head tank (10) have all been seted up with circular slot (82) corresponding position to the inner wall of spacing groove (9), and location pearl (84) get into in second constant head tank (10) can realize sharp location to supersound bone knife (2).
4. The ultrasonic osteotome defined in claim 3 wherein said angle is adjustable by: the length of the positioning ball (84) extending out of the circular groove (82) is smaller than the radius of the positioning ball, so that the positioning ball (84) is prevented from being ejected by the elastic force of the second spring (83).
CN201911072318.XA 2019-11-05 2019-11-05 Ultrasonic osteotome convenient for angle adjustment Expired - Fee Related CN110623707B (en)

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CN112137685B (en) * 2020-09-09 2021-07-13 苏州优脉瑞医疗科技有限公司 High-stability ultrasonic knife handle instrument for surgical endoscopic surgery
CN112690873B (en) * 2020-12-25 2021-10-26 中南大学湘雅医院 Bendable ultrasonic knife
CN112741674B (en) * 2021-01-18 2022-02-01 苏州法兰克曼医疗器械有限公司 Ultrasonic knife with changeable knife bar connection mode
CN112958320B (en) * 2021-02-04 2022-11-18 泰安和新精工科技有限公司 Hub wire drawing repairing device for slight abrasion
CN113143396B (en) * 2021-05-17 2023-08-18 中国人民解放军陆军特色医学中心 Ultrasonic bone knife for annular bone harvesting
CN113662632A (en) * 2021-08-19 2021-11-19 浙江海洋大学东海科学技术学院 Multifunctional medical knife
CN113951969B (en) * 2021-10-14 2023-12-08 北京纳通医疗科技控股有限公司 Bone surface forming grinding drill, bone surface grinding file instrument and patella trimming forming instrument
CN116269662B (en) * 2023-05-15 2023-08-04 杭州锐健马斯汀医疗器材有限公司 Surgical tool

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