CN109171944A - A kind of device for fetching nail of the anti-return of orthopaedics - Google Patents
A kind of device for fetching nail of the anti-return of orthopaedics Download PDFInfo
- Publication number
- CN109171944A CN109171944A CN201811246169.XA CN201811246169A CN109171944A CN 109171944 A CN109171944 A CN 109171944A CN 201811246169 A CN201811246169 A CN 201811246169A CN 109171944 A CN109171944 A CN 109171944A
- Authority
- CN
- China
- Prior art keywords
- nail
- turntable
- threaded hole
- firm banking
- vertical bar
- 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.)
- Granted
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Classifications
-
- 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
-
- 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
- A61B2017/922—Devices for impaction, impact element
- A61B2017/924—Impact element driving means
- A61B2017/925—Impact element driving means a spring
Abstract
The invention discloses a kind of orthopaedics device for fetching nail of anti-return, including firm banking, the firm banking is " u "-shaped pedestal, and threaded hole is arranged in the bottom side of the wall of firm banking, and threaded hole internal engagement installs fixing bolt, and backing plate is set inside firm banking, the sidewall upper middle position of the firm banking is coupled turntable one by bearing pair, vertical bar one is fixedly installed in the upper surface side of the turntable one vertically, one slide outside of vertical bar is set with sliding sleeve one, the side of the sliding sleeve one is coupled turntable two by bearing pair, supporting bracket is fixedly installed in the side of the turntable two, and two side wall of turntable above supporting bracket is coupled vertical bar two by bearing pair, this orthopaedics is able to carry out multi-angle regulation with the device for fetching nail of anti-return, be suitble to different location takes nail to operate, simultaneously, it is designed using reasonable structure , it effectively prevent that nail is taken to move back.
Description
Technical field
The present invention relates to the field of medical instrument technology, the device for fetching nail of specially a kind of anti-return of orthopaedics.
Background technique
It the use of steel nail and Interal fixation fracture site is common operation method, steel in existing operation in fracture operation
Nail implantation human body also needs to take out for a period of time afterwards.In taking steel nail operation, due to there is meeting and people in people's body in steel nail for a long time
Body bone is connected, and increases very big difficulty to doctor when taking out, and common operation takes nail method to be easily destroyed nail slot and people
Body, to the tissue mutually closed on, is also easy to break disconnected steel nail with steel nail, increases the taking-up difficulty of steel nail, easily make fracture site again by
Damage, brings secondary injury to patient.
Since each patients with fractures position is different, the position that patient makes steel nail is also had any different, existing when carrying out taking nail
Part takes nail equipment that cannot be adjusted according to the case where patient, not only gives patient but has carried out pain, also gives the work of medical staff
Increase difficulty.
Device for fetching nail is generally adopted manually, therefore during taking nail, since the structure of partial devices designs
It is unreasonable, often there is a situation where taking nail to move back, sense of discomfort is brought to patient.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of orthopaedics and is bound with taking for anti-return
It sets, is able to carry out multi-angle regulation, be suitble to different location takes nail to operate, meanwhile, it is designed, is effectively prevent using reasonable structure
It takes nail to move back, can effectively solve the problems in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of device for fetching nail of the anti-return of orthopaedics, including
Firm banking, the firm banking is " u "-shaped pedestal, and threaded hole is arranged in the bottom side of the wall of firm banking, and inside threaded hole
It is coupled fixing bolt, and backing plate is set inside firm banking, the sidewall upper middle position of the firm banking passes through axis
It holds pair and is coupled turntable one, vertical bar one is fixedly installed vertically, slides outside the vertical bar one for the upper surface side of the turntable one
The side of dynamic suit sliding sleeve one, the sliding sleeve one is coupled turntable two by bearing pair, and the side fixation of the turntable two is set
Set supporting bracket, and two side wall of turntable above supporting bracket is coupled vertical bar two by bearing pair, the axis of the vertical bar two with
The axis of turntable two is vertical, and two slide outside of vertical bar is set with sliding sleeve two, and mounting ring, institute is fixedly installed in the side wall of the sliding sleeve two
The two sides fixed setting pressing plate of mounting ring lower surface is stated, the mounting ring inside is coupled swivel becket by bearing pair, described
The installation of swivel becket internal engagement takes nail rod, and worm gear ring is fixedly installed in the swivel becket upper end, and the worm gear ring and swivel becket are coaxial,
And worm gear ring is coupled with worm screw, and the both ends of holding rod pass through bearing pair respectively and assemble the mounting base cooperation peace of ring surface
Dress, and handwheel is fixedly installed in the end of worm screw.
As a preferred technical solution of the present invention, spline is arranged in the swivel becket internal diameter, described to take nail rod lower end
Setting takes ailhead, and taking the upper end of nail rod is splined shaft, the spline inside the splined shaft portion and swivel becket for taking nail rod
It is coupled.
As a preferred technical solution of the present invention, the top setting limit plate for taking nail rod, and it is in swivel becket
Top takes pocketed springs outside nail rod, and the both ends of the spring are fixedly connected with swivel becket and limit plate respectively.
As a preferred technical solution of the present invention, the supporting bracket is half tubular shape structure, and the both ends of supporting bracket are divided
It She Zhi not bandage.
As a preferred technical solution of the present invention, the sidewall surfaces of the sliding sleeve one and sliding sleeve two are respectively provided with screw thread
Hole is respectively provided with clamping screw inside the threaded hole, and threaded hole, institute is arranged in the firm banking surface outside one outer diameter of turntable
It states and clamping screw is set inside threaded hole, two surface of turntable of two lower end of vertical bar is arranged threaded hole, inside the threaded hole
Clamping screw is set.
Compared with prior art, the beneficial effects of the present invention are: the device for fetching nail of the anti-return of this orthopaedics is used in fixation
It installs turntable one on pedestal additional, and the mode of turntable two is set outside sliding sleeve one, make supporting bracket that there is more setting angle, be suitble to
Different location takes nail, and vertical bar two can be in two surface pivots of turntable, therefore take the angle of nail rod and supporting bracket adjustable, is suitble to
The orthopaedics nail of different angle takes nail, and spring is arranged between nail rod and swivel becket moreover, taking, is acted on by spring, makes that nail rod is taken to begin
There is a downward normal pressure eventually, the gap for following closely orthopaedics between nail slot reduces, and orthopaedics nail is avoided to return in nail slot inside shaking
It moves, reduces the sense of discomfort for taking nail process.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is back structures schematic diagram of the present invention；
Fig. 3 is cross-sectional view of the present invention.
In figure: 1 supporting bracket, 2 bandages, 3 firm bankings, 4 backing plates, 5 turntables one, 6 vertical bars one, 7 sliding sleeves one, 8 mounting rings, 9
Take nail rod, 10 springs, 11 worm screws, 12 pressing plates, 13 swivel beckets, 14 vertical bars two, 15 sliding sleeves two.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of device for fetching nail of the anti-return of orthopaedics, including it is solid
Determine pedestal 3, firm banking 3 is " u "-shaped pedestal, and threaded hole, and threaded hole internal engagement is arranged in the bottom side of the wall of firm banking 3
Fixing bolt is installed, and backing plate 4 is set inside firm banking 3, the sidewall upper middle position of firm banking 3 is matched by bearing pair
Installation turntable 1 is closed, vertical bar 1 is fixedly installed in the upper surface side of turntable 1 vertically, and one 6 slide outside of vertical bar is set with sliding sleeve
One 7, the side of sliding sleeve 1 is coupled turntable two by bearing pair, and supporting bracket 1, supporting bracket 1 is fixedly installed in the side of turntable two
Bandage 2 is respectively set for the both ends of half tubular shape structure, and supporting bracket 1, and two side wall of turntable of 1 top of supporting bracket passes through bearing pair
It is coupled vertical bar 2 14, the axis of vertical bar 2 14 is vertical with the axis of turntable two, and 2 14 slide outside of vertical bar is set with sliding sleeve
2 15, mounting ring 8 is fixedly installed in the side wall of sliding sleeve 2 15, and pressing plate 12, mounting ring 8 is fixedly installed in the two sides of 8 lower surface of mounting ring
Internal to be coupled swivel becket 13 by bearing pair, the installation of 13 internal engagement of swivel becket takes nail rod 9, and the fixation of 13 upper end of swivel becket is set
Worm gear ring is set, worm gear ring and swivel becket 13 are coaxial, and worm gear ring is coupled with worm screw 11, and the both ends of holding rod 11 pass through respectively
Bearing pair and the mounting base on 8 surface of mounting ring are coupled, and handwheel is fixedly installed in the end of worm screw 11, and 13 internal diameter of swivel becket is set
Set spline, the setting of 9 lower end of nail rod taken to take ailhead, and taking the upper end of nail rod 9 is splined shaft, take the splined shaft portion of nail rod 9 with
Spline inside swivel becket 13 is coupled, and takes the top of nail rod 9 that limit plate is arranged, and take nail in 13 top of swivel becket
9 outside pocketed springs 10 of bar, the both ends of spring 10 are fixedly connected with swivel becket 13 and limit plate respectively, sliding sleeve 1 and sliding sleeve two
15 sidewall surfaces are respectively provided with threaded hole, and clamping screw, the firm banking 3 outside one 5 outer diameter of turntable are respectively provided with inside threaded hole
Threaded hole is arranged in surface, and clamping screw is arranged inside threaded hole, and threaded hole, screw thread is arranged in two surface of turntable of 2 14 lower end of vertical bar
Clamping screw is set inside hole.
When in use: firm banking 3 is fixed with station, screws the fixing bolt of lower section, then rotates turntable 1,
And height of the sliding sleeve 1 outside vertical bar 1 is adjusted, while rotating turntable two, make supporting bracket 1 that there is suitable angle and height
Degree, then screws the clamping screw of corresponding position, fixes 1 position of supporting bracket, will be wait take nail position to be placed in supporting bracket 1
Portion, and be fixed by the bandage 2 at both ends, the angle of vertical bar 2 14 is then adjusted, makes that nail rod 9 is taken to follow closely coaxial, tune with orthopaedics
Position of the whole sliding sleeve 2 15 outside vertical bar 2 14 makes pressing plate 12 compress the tissue around orthopaedics nail, then will take 9 lower end of nail rod
Take ailhead and orthopaedics to follow closely to connect, rotate handwheel, pass through worm screw 11 and the transmission of worm gear ring, drive swivel becket 13 to rotate, thus band
It is dynamic that nail rod 9 is taken to rotate, the nail rotation of lower end orthopaedics is driven, the threaded function of itself is followed closely using orthopaedics, drives orthopaedics nail to screw out, is revolving
During out, the traction of spring 10 takes nail rod 9 to generate normal pressure downwards, and the gap for following closely orthopaedics between nail slot reduces, and avoids bone
Section's nail shakes and return.
The present invention makes to prop up using turntable 1, and the mode of one 7 outside setting turntable two of sliding sleeve is installed additional on the fixed base
Bracketing 1 has more setting angle, and be suitble to different location takes nail, and vertical bar 2 14 can in two surface pivots of turntable, because
This takes nail rod 9 and the angle of supporting bracket 1 adjustable, is suitble to the orthopaedics nail of different angle to take nail, moreover, taking nail rod 9 and swivel becket 13
Between spring 10 is set, acted on by spring 10, making to take nail rod 9 always has a downward normal pressure, makes orthopaedics nail and nail slot
Between gap reduce, avoid orthopaedics nail in nail slot inside shaking return, reduce and take the sense of discomfort of nail process.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of orthopaedics device for fetching nail of anti-return, including firm banking (3), it is characterised in that: the firm banking (3) is
" u "-shaped pedestal, and threaded hole is arranged in the bottom side of the wall of firm banking (3), and threaded hole internal engagement installs fixing bolt, and solid
Determine that backing plate (4) are arranged inside pedestal (3), the sidewall upper middle position of the firm banking (3) is coupled by bearing pair
Vertical bar one (6) is fixedly installed vertically, slides outside the vertical bar one (6) for turntable one (5), the upper surface side of the turntable one (5)
Dynamic suit sliding sleeve one (7), the side of the sliding sleeve one (7) is coupled turntable two, the side of the turntable two by bearing pair
It is fixedly installed supporting bracket (1), and two side wall of turntable above supporting bracket (1) is coupled vertical bar two (14), institute by bearing pair
The axis for stating vertical bar two (14) is vertical with the axis of turntable two, and vertical bar two (14) slide outside suit sliding sleeve two (15), described
Mounting ring (8) are fixedly installed in the side wall of sliding sleeve two (15), and pressing plate (12) are fixedly installed in the two sides of mounting ring (8) lower surface,
It is coupled swivel becket (13) inside the mounting ring (8) by bearing pair, swivel becket (13) the internal engagement installation takes nail
Bar (9), swivel becket (13) upper end are fixedly installed worm gear ring, the worm gear ring and swivel becket (13) coaxially, and worm gear ring with
Worm screw (11) is coupled, and the both ends of holding rod (11) pass through bearing pair respectively and the mounting base cooperation on mounting ring (8) surface is pacified
Dress, and handwheel is fixedly installed in the end of worm screw (11).
2. a kind of device for fetching nail of the anti-return of orthopaedics according to claim 1, it is characterised in that: the swivel becket (13)
Spline is arranged in internal diameter, described that the setting of nail rod (9) lower end is taken to take ailhead, and taking the upper end of nail rod (9) is splined shaft, described to take nail
The splined shaft portion of bar (9) spline internal with swivel becket (13) is coupled.
3. a kind of device for fetching nail of the anti-return of orthopaedics according to claim 1, it is characterised in that: described to take nail rod (9)
Top limit plate is set, and take the external pocketed springs (10) of nail rod (9), the spring (10) above swivel becket (13)
Both ends be fixedly connected respectively with swivel becket (13) and limit plate.
4. a kind of device for fetching nail of the anti-return of orthopaedics according to claim 1, it is characterised in that: the supporting bracket (1)
Bandage (2) are respectively set for the both ends of half tubular shape structure, and supporting bracket (1).
5. a kind of device for fetching nail of the anti-return of orthopaedics according to claim 1, it is characterised in that: the sliding sleeve one (7)
It is respectively provided with threaded hole with the sidewall surfaces of sliding sleeve two (15), clamping screw, the turntable one (5) are respectively provided with inside the threaded hole
Threaded hole is arranged in firm banking (3) surface outside outer diameter, and clamping screw, the vertical bar two (14) is arranged inside the threaded hole
Threaded hole is arranged in two surface of turntable of lower end, and clamping screw is arranged inside the threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811246169.XA CN109171944B (en) | 2018-10-25 | 2018-10-25 | Orthopedic nail taking device capable of preventing back movement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811246169.XA CN109171944B (en) | 2018-10-25 | 2018-10-25 | Orthopedic nail taking device capable of preventing back movement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109171944A true CN109171944A (en) | 2019-01-11 |
| CN109171944B CN109171944B (en) | 2021-08-17 |
Family
ID=64943319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811246169.XA Active CN109171944B (en) | 2018-10-25 | 2018-10-25 | Orthopedic nail taking device capable of preventing back movement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109171944B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112569077A (en) * | 2020-12-04 | 2021-03-30 | 石门县妇幼保健计划生育服务中心 | Limb retainer for taking out clinical orthopedic steel nails |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204428169U (en) * | 2015-02-02 | 2015-07-01 | 赵余静 | Arm support for neurosurgery |
| CN204813946U (en) * | 2015-05-15 | 2015-12-02 | 郎召君 | Medical inspection of supersound branch of academic or vocational study bed |
| CN206548593U (en) * | 2016-08-16 | 2017-10-13 | 西安市红会医院 | A kind of novel orthopaedics device for fetching nail |
| CN206979570U (en) * | 2017-01-22 | 2018-02-09 | 新疆维吾尔自治区中医医院 | A kind of device for fetching nail of the anti-return of orthopaedics |
| CN208989112U (en) * | 2018-06-19 | 2019-06-18 | 贵州医科大学附属医院 | A kind of orthopaedic medical treatment nail-fetching device |
-
2018
- 2018-10-25 CN CN201811246169.XA patent/CN109171944B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204428169U (en) * | 2015-02-02 | 2015-07-01 | 赵余静 | Arm support for neurosurgery |
| CN204813946U (en) * | 2015-05-15 | 2015-12-02 | 郎召君 | Medical inspection of supersound branch of academic or vocational study bed |
| CN206548593U (en) * | 2016-08-16 | 2017-10-13 | 西安市红会医院 | A kind of novel orthopaedics device for fetching nail |
| CN206979570U (en) * | 2017-01-22 | 2018-02-09 | 新疆维吾尔自治区中医医院 | A kind of device for fetching nail of the anti-return of orthopaedics |
| CN208989112U (en) * | 2018-06-19 | 2019-06-18 | 贵州医科大学附属医院 | A kind of orthopaedic medical treatment nail-fetching device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112569077A (en) * | 2020-12-04 | 2021-03-30 | 石门县妇幼保健计划生育服务中心 | Limb retainer for taking out clinical orthopedic steel nails |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109171944B (en) | 2021-08-17 |
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