CN109223163A - A kind of nail taking out apparatus in orthopaedics - Google Patents
A kind of nail taking out apparatus in orthopaedics Download PDFInfo
- Publication number
- CN109223163A CN109223163A CN201811429933.7A CN201811429933A CN109223163A CN 109223163 A CN109223163 A CN 109223163A CN 201811429933 A CN201811429933 A CN 201811429933A CN 109223163 A CN109223163 A CN 109223163A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- nail
- connecting tube
- screwdriver
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
-
- 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
- A61B2017/564—Methods for bone or joint treatment
Abstract
The invention discloses a kind of nail taking out apparatus in orthopaedics, are related to the field of medical instrument technology.It includes the connecting tube of inverted "L" shape；Screwdriver is rotatably connected in the vertical pipe of connecting tube；Driven shaft is rotatably connected in the pipe of connecting tube transverse direction；Connecting tube right part is fixedly connected with decelerating motor；The screwdriver upper end is axially fixed the driven gear for being connected with taper；Below connecting tube, regulation pipe is threaded in the middle part of screwdriver；Regulation pipe left end is fixedly connected with vertical connection frame；What connection frame lower end was fixedly connected with claw hammer shape takes nail-plate；Take nail-plate and screwdriver corresponding matching；From the driving gear for being connected with taper to gear right end gear.The beneficial effects of the present invention are: the laborsaving and visual field is good when carrying out taking bone nail, fixation facilitates observation, takes bone nail is more smooth to be easier, and be less likely to be damaged bone nail.
Description
Technical field
The present invention relates to the field of medical instrument technology.
Background technique
Bone nail is often used in therapeutic treatment to be assisted in the treatment of.And the method traditional when bone nail takes out frequently encounters
Many problems, traditional bone nail are usually all to be taken out bone nail by rotating, but bone nail is screwed into bone when taking out, only
Simple rotation, the device that do not fix, screwdriver are easy to mark, also power not outside to bone nail, bone nail be not easily taken out and
It is time-consuming and laborious, and the hand when being rotated is easy to block the visual field at bone nail.
Summary of the invention
The technical problems to be solved by the invention are provided a kind of orthopaedics and take and bind for above-mentioned technical deficiency
It sets.When carrying out taking bone nail, the laborsaving and visual field is good, and fixation facilitates observation, takes bone nail is more smooth to be easier, and be not easy
Damage bone nail.
The technical solution adopted by the present invention is that: a kind of nail taking out apparatus in orthopaedics is provided, the connecting tube including inverted "L" shape；Connection
It manages in vertical pipe and is rotatably connected to screwdriver；Driven shaft is rotatably connected in the pipe of connecting tube transverse direction；Connecting tube right part is fixed
It is connected with decelerating motor；The screwdriver upper end is axially fixed the driven gear for being connected with taper；Below connecting tube, screw
Regulation pipe is threaded in the middle part of knife；Regulation pipe left end is fixedly connected with vertical connection frame；Connection frame lower end is fixedly connected with
Claw hammer shape takes nail-plate；Take nail-plate and screwdriver corresponding matching；From the driving gear for being connected with taper to gear right end gear；
Driving gear right end is fixedly connected along axial with driven shaft；Driven shaft right end is provided with driving shaft；Driving shaft right end and the electricity that slows down
The output end of machine is fixedly connected；Driving shaft left end is fixedly connected with conical tube；It is provided on the outside of driven shaft and conical tube cooperation
Pipe lid；Cooperate on the inside of conical tube and on the outside of driving shaft right part；On the inside of the conical tube, driving shaft upper and lower ends are fixedly connected with
There is adz-eye hammer；Rear and front end is fixedly connected to tension spring on the inside of conical tube；The other end and top adz-eye hammer of front tension spring are fixed
Connection；The other end of rear portion tension spring is fixedly connected with lower part adz-eye hammer；In front of the adz-eye hammer on the top and adz-eye hammer rear of lower part,
Electromagnet is fixedly connected on the inside of conical tube；The control switch of electromagnet is provided on the outside of conical tube；It opens in upper end of connecting tube face
There is switch hole corresponding with control switch.
Advanced optimize the technical program, a kind of driving wheel upper end of nail taking out apparatus in orthopaedics, screw thread in connecting tube
It is connected with clamping bolt；Connecting tube left upper portion is fixedly connected with hand-held column.
It advanced optimizes the technical program, is provided with adjusting rod on the outside of a kind of regulation pipe of nail taking out apparatus in orthopaedics.
The present invention compared with traditional device for fetching nail, the beneficial effect is that:
1, regulation pipe, screwdriver, connection frame, the cooperation for taking nail-plate, will take nail-plate to be stuck at the head of a nail of bone nail, facilitate progress
Take bone nail；The shape of this device also facilitates observation to take the visual field at bone nail；
2, the cooperation of control switch, electromagnet, adz-eye hammer, driven shaft, tension spring, adz-eye hammer drive driven shaft to be come always
Rotary oscillation is returned, in the cooperation for passing through driving gear, driven gear, screwdriver, screwdriver will drive when carrying out rotary oscillation
Bone nail carries out rotary oscillation in bone, and when bone nail rotary oscillation, which carries out friction, can make the screw thread in bone more smooth, more
It is easy to take out bone nail, be easy to use, and be less likely to be damaged bone nail；
3, decelerating motor, connection frame, driving shaft, conical tube, tension spring, electromagnet, driven shaft, driving gear, driven gear,
Screwdriver, regulation pipe, connection frame, the cooperation for taking nail-plate, then this device is slowly moved upwards, the pulling force cooperation spiral shell taken out outward
The rotary force of silk knife is easier to take out bone nail, downward rotatory force when avoiding commonly taking bone nail, in cooperation bone nail rotary oscillation
Shi Jinhang friction can make the screw thread in bone more smooth, and more convenient to carry out taking bone nail, the setting of decelerating motor is also laborsaving, takes
It is also limited when out, it is stronger to take out bone nail；
4, it can also be operated manually, clamping bolt blocks driving gear, and driven shaft and screwdriver are no longer rotated,
By taking nail-plate, adjusting rod, regulation pipe, connection frame, nail-plate being taken to be bonded, the head of a nail and the fitting of screwdriver lower end are held adept
Column and connecting tube are pulled outwardly and are rotated, and can take out bone nail；Control switch can also be beaten while manual operation
It opens, conveniently takes bone nail.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is decomposition texture schematic diagram of the invention；
Fig. 3 is decomposition texture schematic diagram at conical tube of the invention；
Fig. 4 is structural schematic diagram in conical tube of the invention；
Fig. 5 is screwdriver and structural schematic diagram when nail-plate being taken to use of the invention；
Fig. 6 is control switch circuit diagram of the invention；
In figure, 1, connecting tube；2, screwdriver；3, driven shaft；4, decelerating motor；5, driven gear；6, regulation pipe；7, it connects
Frame；8, nail-plate is taken；9, driving gear；10, driving shaft；11, conical tube；12, Guan Gai；13, adz-eye hammer；14, tension spring；15, electromagnetism
Iron；16, control switch；17, switch hole；18, clamping bolt；19, column is held；20, adjusting rod.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in figures 1 to 6, a kind of nail taking out apparatus in orthopaedics, the connecting tube 1 including inverted "L" shape；In the vertical pipe of connecting tube 1
It is rotatably connected to screwdriver 2；Driven shaft 3 is rotatably connected in the lateral pipe of connecting tube 1；1 right part of connecting tube, which is fixedly connected with, to be subtracted
Speed motor 4；2 upper end of screwdriver is axially fixed the driven gear 5 for being connected with taper；1 lower section of connecting tube, screwdriver 2
Middle part is threaded with regulation pipe 6；6 left end of regulation pipe is fixedly connected with vertical connection frame 7；7 lower end of connection frame is fixedly connected
Have claw hammer shape takes nail-plate 8；Take 2 corresponding matching of nail-plate 8 and screwdriver；From the active for being connected with taper to gear right end gear
Gear 9；9 right end of driving gear is fixedly connected along axial with driven shaft 3；3 right end of driven shaft is provided with driving shaft 10；Driving shaft 10
Right end is fixedly connected with the output end of decelerating motor 4；10 left end of driving shaft is fixedly connected with conical tube 11；It is set on the outside of driven shaft 3
It is equipped with the pipe lid 12 cooperated with conical tube 11；Cooperation on the outside of 11 inside of conical tube and 10 right part of driving shaft；The conical tube 11
Inside, 10 upper and lower ends of driving shaft are fixedly connected to adz-eye hammer 13；11 inside rear and front end of conical tube is fixedly connected to drawing
Spring 14；The other end of front tension spring 14 is fixedly connected with top adz-eye hammer 13；The other end and lower part adz-eye hammer of rear portion tension spring 14
13 are fixedly connected；13 rear of adz-eye hammer in adz-eye hammer 13 front and lower part on top is fixedly connected to electricity on the inside of conical tube 11
Magnet 15；The control switch 16 of electromagnet 15 is provided on the outside of conical tube 11；It is right with control switch 16 that 1 upper surface of connecting tube is provided with
The switch hole 17 answered；The driving wheel upper end is threaded with clamping bolt 18 in connecting tube 1；1 left upper portion of connecting tube is solid
Surely it is connected with hand-held column 19；Adjusting rod 20 is provided on the outside of the regulation pipe 6.
In use, rotation regulation pipe 6, using being threadedly engaged for regulation pipe 6 and screwdriver 2, regulation pipe 6 passes through connection frame 7
Drive takes nail-plate 8 mobile, and nail-plate 8 will be taken to be stuck at the head of a nail of bone nail, as shown in figure 5, first control switch 16 is opened, then will slow down
Motor 4 is opened；The shape of this device also facilitates observation to take the visual field at bone nail；
The circuit diagram of control switch 16 is as shown, this circuit is the similar circuit diagram of traditional electric bell, when control switch 16
When opening, it can realize that the connection of circuit repeatedly disconnects, energization power-off repeatedly；
When control switch 16 is opened, adz-eye hammer 13 is sucked the energization of electromagnet 15, and adz-eye hammer 13 will drive driven when mobile
Axis 3 rotates clockwise, and electromagnet 15 powers off, and electromagnet 15 does not have magnetic force, and adz-eye hammer 13 is small according to the elastic reset of tension spring 14
Iron hammer 13 will drive driven shaft 3 and rotate counterclockwise when resetting, such electromagnet 15 is powered and power-off Infinite Cyclic, 13 band of adz-eye hammer
Dynamic driven shaft 3 carries out rotating back and forth swing always, and the driving gear 9 that swings by of driven shaft 3 drives driven gear 5 and then to rotate
It swings, driven gear 5 drives screwdriver 2 to carry out rotary oscillation, and screwdriver 2 carries out rotary oscillation when carrying out taking nail, will drive
Bone nail carries out rotary oscillation in bone, and when bone nail rotary oscillation, which carries out friction, can make the screw thread in bone more smooth, more
It is easy to take out bone nail, be easy to use, and be less likely to be damaged bone nail；
When decelerating motor 4 is opened, connection frame 7 first is fixed with hand, decelerating motor 4 will drive 10 turns of driving shaft when opening
It is dynamic, by conical tube 11, tension spring 14, electromagnet 15 when driving shaft 10 rotates, driven shaft 3 is driven to rotate, driven shaft 3 drives actively
Gear 9 rotates, and driving gear 9 drives screwdriver 2 to rotate by driven gear 5, and when screwdriver 2 rotates, hand has fixed connection
Frame 7, regulation pipe 6 while screwdriver 2 is rotated, take nail-plate 8 that can move up at connection frame 7, when being moved to as shown in Figure 5
Hand will be unclamped and no longer be fixedly connected with frame 7, this device is slowly moved upwards, takes nail-plate 8 also to catch on bone nail, is rotating
Give bone nail one pulling force taken out outward when bone nail, the rotary force of pulling force cooperation screwdriver 2 is easier to take out bone nail, avoids general
Lead to rotatory force downward when taking bone nail, friction is carried out when cooperating bone nail rotary oscillation can make the screw thread in bone more smooth,
More convenient to carry out taking bone nail, the setting of decelerating motor 4 is also laborsaving, and when taking-up is also limited, stronger to take out bone nail；
Not electricity consumption can be also carried out, is manually operated, is turned clamping bolt 18 and block driving gear 9, make driven shaft 3 and screw
Knife 2 no longer rotates, and nail-plate 8 will be taken to be stuck at the head of a nail of bone nail, rotates regulation pipe 6 using adjusting rod 20 and carries out mobile connection frame 7
With take nail-plate 8, be moved to and nail-plate 8 and the head of a nail taken to be bonded, the head of a nail and the fitting of 2 lower end of screwdriver, in the adept column 19 and even held
Adapter tube 1 is pulled outwardly and is rotated, and can take out bone nail；
Control switch 16 can also be opened while manual operation, conveniently take bone nail.
Claims (3)
1. a kind of nail taking out apparatus in orthopaedics, it is characterised in that: the connecting tube (1) including inverted "L" shape；In the vertical pipe of connecting tube (1)
It is rotatably connected to screwdriver (2)；Driven shaft (3) are rotatably connected in the pipe of connecting tube (1) transverse direction；Connecting tube (1) right part is fixed
It is connected with decelerating motor (4)；
Described screwdriver (2) upper end is axially fixed the driven gear (5) for being connected with taper；Below connecting tube (1), screwdriver
(2) middle part is threaded with regulation pipe (6)；Regulation pipe (6) left end is fixedly connected with vertical connection frame (7)；Under connection frame (7)
What end was fixedly connected with claw hammer shape takes nail-plate (8)；Take nail-plate (8) and screwdriver (2) corresponding matching；From to gear right end gear
It is connected with the driving gear (9) of taper；Driving gear (9) right end is fixedly connected along axial with driven shaft (3)；Driven shaft (3) is right
End is provided with driving shaft (10)；Driving shaft (10) right end is fixedly connected with the output end of decelerating motor (4)；Driving shaft (10) left end
It is fixedly connected with conical tube (11)；
The pipe lid (12) with conical tube (11) cooperation is provided on the outside of driven shaft (3)；Conical tube (11) inside and driving shaft (10)
Cooperation on the outside of right part；
On the inside of the conical tube (11), driving shaft (10) upper and lower ends are fixedly connected to adz-eye hammer (13)；
Rear and front end is fixedly connected to tension spring (14) on the inside of conical tube (11)；The small iron of the other end and top of front tension spring (14)
Hammer (13) is fixedly connected；The other end of rear portion tension spring (14) is fixedly connected with lower part adz-eye hammer (13)；The adz-eye hammer (13) on top
Adz-eye hammer (13) rear in front and lower part, conical tube (11) inside are fixedly connected to electromagnet (15)；Conical tube (11) is outside
Side is provided with the control switch (16) of electromagnet (15)；Connecting tube (1) upper surface is provided with the corresponding switch with control switch (16)
Hole (17).
2. a kind of nail taking out apparatus in orthopaedics according to claim 1, it is characterised in that: the driving wheel upper end, connecting tube
(1) clamping bolt (18) are threaded on；Connecting tube (1) left upper portion is fixedly connected with hand-held column (19).
3. a kind of nail taking out apparatus in orthopaedics according to claim 1, it is characterised in that: setting on the outside of the regulation pipe (6)
There are adjusting rod (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811429933.7A CN109223163B (en) | 2018-11-27 | 2018-11-27 | Orthopedics nail taking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811429933.7A CN109223163B (en) | 2018-11-27 | 2018-11-27 | Orthopedics nail taking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109223163A true CN109223163A (en) | 2019-01-18 |
| CN109223163B CN109223163B (en) | 2021-08-13 |
Family
ID=65074186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811429933.7A Active CN109223163B (en) | 2018-11-27 | 2018-11-27 | Orthopedics nail taking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109223163B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112244987A (en) * | 2020-11-05 | 2021-01-22 | 孙金堂 | Portable bone nail taking device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040158257A1 (en) * | 2003-02-12 | 2004-08-12 | Bonati Alfred O. | Extractor tube for removing orthopaedic hardware |
| US20100087831A1 (en) * | 2008-10-07 | 2010-04-08 | Donald Marx | Knee replacement nail remover |
| CN201870720U (en) * | 2010-11-30 | 2011-06-22 | 亓健 | Bone nail extractor |
| CN105852958A (en) * | 2016-05-03 | 2016-08-17 | 丽水市人民医院 | Novel nail taking device for orthopedic department |
| CN205548667U (en) * | 2016-03-23 | 2016-09-07 | 延安大学附属医院 | Convenient orthopedics of adjusting is got to bind and is put |
| CN206566012U (en) * | 2016-09-30 | 2017-10-20 | 河南中医药大学第三附属医院 | A kind of nail taking out apparatus in orthopaedics |
| CN107485442A (en) * | 2017-09-19 | 2017-12-19 | 上海市第十人民医院 | A kind of orthopedic nail extractor |
| CN107890366A (en) * | 2017-12-01 | 2018-04-10 | 戴康春 | A kind of orthopaedics with holding function is with taking nail equipment |
| CN207666685U (en) * | 2017-06-13 | 2018-07-31 | 陕西省第四人民医院 | A kind of quick painless nail-fetching device of bone surgery |
-
2018
- 2018-11-27 CN CN201811429933.7A patent/CN109223163B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040158257A1 (en) * | 2003-02-12 | 2004-08-12 | Bonati Alfred O. | Extractor tube for removing orthopaedic hardware |
| US20100087831A1 (en) * | 2008-10-07 | 2010-04-08 | Donald Marx | Knee replacement nail remover |
| CN201870720U (en) * | 2010-11-30 | 2011-06-22 | 亓健 | Bone nail extractor |
| CN205548667U (en) * | 2016-03-23 | 2016-09-07 | 延安大学附属医院 | Convenient orthopedics of adjusting is got to bind and is put |
| CN105852958A (en) * | 2016-05-03 | 2016-08-17 | 丽水市人民医院 | Novel nail taking device for orthopedic department |
| CN206566012U (en) * | 2016-09-30 | 2017-10-20 | 河南中医药大学第三附属医院 | A kind of nail taking out apparatus in orthopaedics |
| CN207666685U (en) * | 2017-06-13 | 2018-07-31 | 陕西省第四人民医院 | A kind of quick painless nail-fetching device of bone surgery |
| CN107485442A (en) * | 2017-09-19 | 2017-12-19 | 上海市第十人民医院 | A kind of orthopedic nail extractor |
| CN107890366A (en) * | 2017-12-01 | 2018-04-10 | 戴康春 | A kind of orthopaedics with holding function is with taking nail equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112244987A (en) * | 2020-11-05 | 2021-01-22 | 孙金堂 | Portable bone nail taking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109223163B (en) | 2021-08-13 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Wencui Inventor after: Deng Zhiqin Inventor after: Li Lei Inventor before: Li Lei |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210715 Address after: Shenzhen Second People's Hospital, 3002 Sungang West Road, Futian District, Shenzhen, Guangdong 518000 Applicant after: Shenzhen Second People's Hospital (Shenzhen Institute of translational medicine) Address before: 251100 Room 201, unit 2, building 2, 338 Qiyan street, Qihe County, Dezhou City, Shandong Province Applicant before: Li Lei |
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