CN204581491U - Device for taking out broken nail - Google Patents
Device for taking out broken nail Download PDFInfo
- Publication number
- CN204581491U CN204581491U CN201520274652.4U CN201520274652U CN204581491U CN 204581491 U CN204581491 U CN 204581491U CN 201520274652 U CN201520274652 U CN 201520274652U CN 204581491 U CN204581491 U CN 204581491U
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- China
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- cylinder
- broken nail
- endoporus
- inner core
- oral area
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of device for taking out broken nail, comprise the cylinder of oral area to downward-extension, mouth cylinder end surface is equipped with the mill teeth to downward-extension, in the middle part of cylinder, outer wall is provided with axially extended bar hole, cylinder upper end is fixedly installed with hands handle by installed body, the inner core that oral area is arranged is fitted with downwards in cylinder, inner core oral area spacer ring is provided with to downward-extension and the intermediate plate outwards strutted gradually, intermediate plate inwall is provided with axially extended clip tooth, intermediate plate lower end is all positioned at Cylindorical rod on extension track, inner core upper end is provided with the endoporus corresponding with bar hole, endoporus is provided with female thread, the stud extending to cylindrical outer is bolted with in endoporus.Effect can be fixedly connected with broken nail outer end fast, and broken nail can be screwed out smoothly, easy to operate, and a people just can operate, and wound face is little, is beneficial to postoperative quick recovery.
Description
Technical field
This utility model relates to a kind of device for taking out broken nail.
Background technology
Fracture is a kind of common unexpected injury situation, once there is fracture accident, that generally first considers carries out steel plate location to fracture site exactly, is again engaged togather with auxiliary knochenbruch.In order to ensure steel plate erection after can not be shifted, set up steel plate time, be all with multiple screw by Interal fixation on knochenbruch.When after knochenbruch healing, need steel plate to remove, skeleton of namely screw being back-outed.Because the time of setting up steel plate short then some months is long then several years, therefore the phenomenon that screw and skeleton grow together often is caused, and due to steel plate erection overlong time, the fatigue strength of screw reaches capacity, and causes the screw when getting steel plate to be occurred by the phenomenon of twisting into two parts.
For fracture patient, the thing worried most is connected good no more than knochenbruch, but the screw of fixation steel plate does not take out.Due to psychological factor impact, even if the screw of disconnected row does not have anything to affect on patient, patient also can do one's utmost to require broken nail to take out.And at present owing to not having special device for taking out broken nail tool, generally the instrument such as pipe wrench, large brank of meeting choice for use engineering gets nail by force.Due to the bulky of these instruments, often need to cut open larger wound, and need electric drill to hole so that above-mentioned tool holder broken nail to the skeleton around broken nail, and therefore also larger to the destruction of skeleton, cause patient also to need to rest for a long time after getting nail.Above-mentioned nail mode of getting generally needs many people to coordinate just to complete, and work efficiency is lower.
Summary of the invention
This utility model is exactly for above-mentioned deficiency, and propose a kind of rational in infrastructure, can be fixedly connected with broken nail outer end fast, and broken nail can be screwed out smoothly, easy to operate, a people just can operate, and wound face is little, is beneficial to the device for taking out broken nail of postoperative quick recovery.
For solving the problem, the construction features of this device for taking out broken nail is: comprise the cylinder of oral area to downward-extension, mouth cylinder end surface is equipped with the mill teeth to downward-extension, in the middle part of cylinder, outer wall is provided with axially extended bar hole, cylinder upper end is fixedly installed with hands handle by installed body, the inner core that oral area is arranged is fitted with downwards in cylinder, inner core oral area spacer ring is provided with to downward-extension and the intermediate plate outwards strutted gradually, intermediate plate inwall is provided with axially extended clip tooth, intermediate plate lower end is all positioned at Cylindorical rod on extension track, inner core upper end is provided with the endoporus corresponding with bar hole, endoporus is provided with female thread, the stud extending to cylindrical outer is bolted with in endoporus.
This device for taking out broken nail realizes can being fixedly connected with broken nail outer end fast by milling bone clamping structure, and broken nail can be screwed out smoothly, easy to operate, a people just can operate, and wound face is little, is beneficial to postoperative quick recovery.
Milling bone clamping structure mainly comprise be arranged on cylinder lower end mill teeth, be arranged on the intermediate plate on cylinder interior inner core and the stud with inner core top threaded.Arrange downwards because cylinder is oral area, therefore cylinder lower end is in circular ring.Mill teeth uniform ring is located at cylinder lower end, and extended downwards, and therefore when cylinder rotates around its central shaft, its lower end will have certain milling ability.When cylinder lower end is sleeved on rotating cylinder on broken nail, the mill teeth of cylinder lower end carries out annular milling by the skeleton of broken nail periphery, so just can mill out an annular bone groove in broken nail periphery, and the internal ring wall of annular bone groove and broken nail periphery are pressed close to arrange.After milling out annular bone groove, just serve the effect exposed by broken nail outer wall, for follow-up clamping broken nail is provided convenience condition.Cylinder upper end is installed with handle by installed body, therefore by turning handle, just can play the effect of rotor, also just achieve the function of processing annular bone groove, operate very simple.
Be fitted with inner core in cylinder, inner core oral area is also arranged downwards.Inner core oral area is equipped with multiple intermediate plate, and each intermediate plate interval is arranged.Intermediate plate bottom is except extending below inside nozzle portion, and also gradually to external expansion, therefore the extension track of intermediate plate is exactly an end opening less " horn mouth " more suitable for reading, and the main purpose arranged so conveniently clamps broken nail.In this device for taking out broken nail, intermediate plate lower end is positioned at cylinder oral area completely and axially extends downwards on track, also be that " horn mouth " end opening is positioned at cylinder oral area completely and axially extends downwards on track, the object of such setting, in " horn mouth " end opening can be directly inserted to annular bone groove that cylinder oral area mill teeth mills out, serves the effect of quick position or pop into place.For convenience of describing, this state is called position or state to be clamped.Cylinder top is provided with along the axially extended bar hole of cylinder, inside and outside the through cylinder side wall of bar hole.Inner core top is provided with endoporus, and endoporus is corresponding with bar hole to be arranged.Endoporus is provided with female thread, forms internal thread hole.Also comprise can with the stud of endoporus threaded, stud outer end extends to cylindrical outer through bar hole.Such stud and bar hole just constitute spacing matching relationship, and stud can only slide axially along bar hole, and also namely inner core can only slide axially along cylinder within the scope of bar hole.Because the outer section of stud extends cylinder, therefore can hold stud and be pulled in cylinder by inner core, or press cylinder downwards, in the process, intermediate plate will shrink gradually and step up broken nail.When stud to arrive on bar hole in short-term, correct the annulus that is shrunk to and steps up broken nail under intermediate plate and close to cylinder lower end, for convenience of describing, this state be called clamped condition.In the clamp state, only need use hands turning handle, namely by cylinder, stud and inner core, the broken nail of clamping be screwed out, operate very simple.
In this device for taking out broken nail, intermediate plate inwall is provided with clip tooth, and clip tooth is axially extended along inner core, is also the tooth of longitudinal extension.Therefore, when clamped condition, clip tooth can embed in broken nail outer wall deeply, like this when screwing out broken nail, just fundamentally can ensure the reliability clamped, will not occur skidding.
As a kind of implementation, described installed body comprises the triangular prism being coaxially installed in cylinder upper end, also comprises column sleeve, and column sleeve endoporus is the delthyrium coordinated with triangular prism plug-in mounting, and symmetric handles is installed in column sleeve both sides.
Triangular prism is set firmly in cylinder upper end, the column sleeve plug-in mounting not only can with delthyrium coordinates, so just can by being installed in handle drives triangular prism and the rotary drum on column sleeve both sides, namely realize the function of manual rotation, existing electric drill can also be utilized to export claw to be secured on triangular prism, thus realize the function of electric drive rotary drum, the namely function of electronic rotation.Two kinds of mode unrestricted choice, operate all very simple.
As improvement, cylindrical outer slip cap is equipped with overcoat, puts the plug-in opening being provided with and coordinating with stud plug-in mounting outward.
After cylinder sleeve dress overcoat, can stud plug-in mounting to be entered in bar hole by arranging plug-in opening on the coat and to be tightened in endoporus, after arranging like this, when position is switched to clamped condition, only need grabs another hands of overcoat pull-up on the other hand and grab handle and press down, and both are furthered, operate very simple, one people can operate, and greatly saves medical personnel and participates in quantity, improve work efficiency.
As improvement, outer casing outer wall is provided with numb stricture of vagina.
After numb stricture of vagina is set, sleeve surface frictional force can be strengthened, effectively prevent skidding when clenching overcoat, ensure that functional reliability.
As further improvement, stud outer end is installed with handwheel.
After stud outer end arranges handwheel, not only operate more laborsaving, and tightening and unscrewing stud hourly velocity sooner, contribute to shortening operating time.
In sum, this device for taking out broken nail is rational in infrastructure, can be fixedly connected with broken nail outer end fast, and broken nail can be screwed out smoothly, easy to operate, and a people just can operate, and wound face is little, is beneficial to postoperative quick recovery.
Accompanying drawing explanation
For ease of illustrating, this utility model is described in detail by following concrete enforcement and accompanying drawing.
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is the structural representation of inner core;
Fig. 3 is the structural representation of cylinder.
Detailed description of the invention
As shown in the figure, this device for taking out broken nail comprises the cylinder 1 of oral area to downward-extension, mouth cylinder end surface is equipped with the mill teeth 2 to downward-extension, in the middle part of cylinder, outer wall is provided with axially extended bar hole 3, cylinder upper end is fixedly installed with handle 6 by installed body, the inner core 4 that oral area is arranged is fitted with downwards in cylinder, inner core oral area spacer ring is provided with to downward-extension and the intermediate plate 5 outwards strutted gradually, intermediate plate inwall is provided with axially extended clip tooth 7, intermediate plate lower end is all positioned at Cylindorical rod on extension track, inner core upper end is provided with the endoporus 8 corresponding with bar hole, endoporus is provided with female thread 9, the stud 12 extending to cylindrical outer is bolted with in endoporus.
This device for taking out broken nail mainly comprise be arranged on cylinder lower end mill teeth, be arranged on the intermediate plate on cylinder interior inner core and the stud with inner core top threaded.Arrange downwards because cylinder is oral area, therefore cylinder lower end is in circular ring.Mill teeth uniform ring is located at cylinder lower end, and extended downwards, and therefore when cylinder rotates around its central shaft, its lower end will have certain milling ability.When cylinder lower end is sleeved on rotating cylinder on broken nail, the mill teeth of cylinder lower end carries out annular milling by the skeleton of broken nail periphery, so just can mill out an annular bone groove in broken nail periphery, and the internal ring wall of annular bone groove and broken nail periphery are pressed close to arrange.After milling out annular bone groove, just serve the effect exposed by broken nail outer wall, for follow-up clamping broken nail is provided convenience condition.Cylinder upper end is installed with handle by installed body, therefore by turning handle, just can play the effect of rotor, also just achieve the function of processing annular bone groove, operate very simple.
Be fitted with inner core in cylinder, inner core oral area is also arranged downwards.Inner core oral area is equipped with multiple intermediate plate, and each intermediate plate interval is arranged.Intermediate plate bottom is except extending below inside nozzle portion, and also gradually to external expansion, therefore the extension track of intermediate plate is exactly an end opening less " horn mouth " more suitable for reading, and the main purpose arranged so conveniently clamps broken nail.In this device for taking out broken nail, intermediate plate lower end is positioned at cylinder oral area completely and axially extends downwards on track, also be that " horn mouth " end opening is positioned at cylinder oral area completely and axially extends downwards on track, the object of such setting, in " horn mouth " end opening can be directly inserted to annular bone groove that cylinder oral area mill teeth mills out, serves the effect of quick position or pop into place.For convenience of describing, this state is called position or state to be clamped.Cylinder top is provided with along the axially extended bar hole of cylinder, inside and outside the through cylinder side wall of bar hole.Inner core top is provided with endoporus, and endoporus is corresponding with bar hole to be arranged.Endoporus is provided with female thread, forms internal thread hole.Also comprise can with the stud of endoporus threaded, stud outer end extends to cylindrical outer through bar hole.Such stud and bar hole just constitute spacing matching relationship, and stud can only slide axially along bar hole, and also namely inner core can only slide axially along cylinder within the scope of bar hole.Because the outer section of stud extends cylinder, therefore can hold stud and be pulled in cylinder by inner core, or press cylinder downwards, in the process, intermediate plate will shrink gradually and step up broken nail.When stud to arrive on bar hole in short-term, correct the annulus that is shrunk to and steps up broken nail under intermediate plate and close to cylinder lower end, for convenience of describing, this state be called clamped condition.In the clamp state, only need use hands turning handle, namely by cylinder, stud and inner core, the broken nail of clamping be screwed out, operate very simple.
In this device for taking out broken nail, intermediate plate inwall is provided with clip tooth, and clip tooth is axially extended along inner core, is also the tooth of longitudinal extension.Therefore, when clamped condition, clip tooth can embed in broken nail outer wall deeply, like this when screwing out broken nail, just fundamentally can ensure the reliability clamped, will not occur skidding.
In the present embodiment, described installed body comprises the triangular prism 10 being coaxially installed in cylinder upper end, also comprises column sleeve 11, and column sleeve endoporus is the delthyrium coordinated with triangular prism plug-in mounting, and handle 6 symmetry is installed in column sleeve both sides.
Triangular prism is set firmly in cylinder upper end, the column sleeve plug-in mounting not only can with delthyrium coordinates, so just can by being installed in handle drives triangular prism and the rotary drum on column sleeve both sides, namely realize the function of manual rotation, existing electric drill can also be utilized to export claw to be secured on triangular prism, thus realize the function of electric drive rotary drum, the namely function of electronic rotation.Two kinds of mode unrestricted choice, operate all very simple.
In this device for taking out broken nail, cylindrical outer slip cap is equipped with overcoat 13, puts the plug-in opening 14 being provided with and coordinating with stud plug-in mounting outward.After cylinder sleeve dress overcoat, can stud plug-in mounting to be entered in bar hole by arranging plug-in opening on the coat and to be tightened in endoporus, after arranging like this, when position is switched to clamped condition, only need grabs another hands of overcoat pull-up on the other hand and grab handle and press down, and both are furthered, operate very simple, one people can operate, and greatly saves medical personnel and participates in quantity, improve work efficiency.
In the present embodiment, outer casing outer wall is provided with numb stricture of vagina 15.After numb stricture of vagina is set, sleeve surface frictional force can be strengthened, effectively prevent skidding when clenching overcoat, ensure that functional reliability.Stud outer end is installed with handwheel 16.After stud outer end arranges handwheel, not only operate more laborsaving, and tightening and unscrewing stud hourly velocity sooner, contribute to shortening operating time.
Claims (5)
1. a device for taking out broken nail, it is characterized in that: comprise the cylinder (1) of oral area to downward-extension, cylinder (1) oral area end face is equipped with the mill teeth (2) to downward-extension, cylinder (1) middle part outer wall is provided with axially extended bar hole (3), cylinder (1) upper end is fixedly installed with handle (6) by installed body, the inner core (4) that oral area is arranged is fitted with downwards in cylinder (1), inner core (4) oral area spacer ring is provided with to downward-extension and the intermediate plate (5) outwards strutted gradually, intermediate plate (5) inwall is provided with axially extended clip tooth (7), intermediate plate (5) lower end is all positioned at cylinder (1) and axially extends on track, inner core (4) upper end is provided with the endoporus (8) corresponding with bar hole (3), endoporus (8) is provided with female thread (9), the stud (12) extending to cylindrical outer is bolted with in endoporus (8).
2. device for taking out broken nail as claimed in claim 1, it is characterized in that: described installed body comprises the triangular prism (10) being coaxially installed in cylinder (1) upper end, also comprise column sleeve (11), column sleeve (11) endoporus is the delthyrium coordinated with triangular prism (10) plug-in mounting, and handle (6) symmetry is installed in column sleeve (11) both sides.
3. device for taking out broken nail as claimed in claim 2, it is characterized in that: cylinder (1) slide outside is set with overcoat (13), overcoat (13) is provided with the plug-in opening (14) coordinated with stud (12) plug-in mounting.
4. device for taking out broken nail as claimed in claim 3, is characterized in that: overcoat (13) outer wall is provided with numb stricture of vagina (15).
5. device for taking out broken nail as claimed in claim 4, is characterized in that: stud (12) outer end is installed with handwheel (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520274652.4U CN204581491U (en) | 2015-05-02 | 2015-05-02 | Device for taking out broken nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520274652.4U CN204581491U (en) | 2015-05-02 | 2015-05-02 | Device for taking out broken nail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204581491U true CN204581491U (en) | 2015-08-26 |
Family
ID=53917701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520274652.4U Expired - Fee Related CN204581491U (en) | 2015-05-02 | 2015-05-02 | Device for taking out broken nail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204581491U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107307900A (en) * | 2017-08-17 | 2017-11-03 | 温州市人民医院 | A kind of screw broken nail nail-fetching device |
| CN109567926A (en) * | 2019-01-18 | 2019-04-05 | 莒县人民医院 | A kind of broken nail withdrawing device of orthopaedics hollow nail |
| CN111973263A (en) * | 2020-09-09 | 2020-11-24 | 贵州中医药大学第一附属医院 | Medical broken nail extractor |
-
2015
- 2015-05-02 CN CN201520274652.4U patent/CN204581491U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107307900A (en) * | 2017-08-17 | 2017-11-03 | 温州市人民医院 | A kind of screw broken nail nail-fetching device |
| CN107307900B (en) * | 2017-08-17 | 2019-04-26 | 温州市人民医院 | A kind of screw broken nail nail-fetching device |
| CN109567926A (en) * | 2019-01-18 | 2019-04-05 | 莒县人民医院 | A kind of broken nail withdrawing device of orthopaedics hollow nail |
| CN111973263A (en) * | 2020-09-09 | 2020-11-24 | 贵州中医药大学第一附属医院 | Medical broken nail extractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20160502 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |