CN109009404A - A kind of orthopedic nail extractor convenient for taking out broken nail - Google Patents
A kind of orthopedic nail extractor convenient for taking out broken nail Download PDFInfo
- Publication number
- CN109009404A CN109009404A CN201810662995.6A CN201810662995A CN109009404A CN 109009404 A CN109009404 A CN 109009404A CN 201810662995 A CN201810662995 A CN 201810662995A CN 109009404 A CN109009404 A CN 109009404A
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- China
- Prior art keywords
- connecting rod
- nail
- fixedly connected
- broken nail
- taking out
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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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of orthopedic nail extractors convenient for taking out broken nail, including support plate, connecting rod is fixedly connected at left and right sides of the support plate lower surface, and connecting rod is arranged in limiting slot, the bottom end of the connecting rod is fixedly connected with slide plate, and the left and right ends of the slide plate are slidably connected at respectively in the sliding slot that limiting slot inner wall left and right sides open up.This is convenient for the orthopedic nail extractor for taking out broken nail, by the way that feed arrangement is arranged, downward pressure can be applied to spring by connecting rod when moving down due to screw tap, spring is compressed, so that spring can apply upward elastic force to connecting rod using the elasticity of itself under the effect of the pressure, so that screw tap can also apply upward pulling force to broken nail during opening up internal screw thread until broken nail in bone by being detached from, circular groove is opened up around broken nail so that can be avoided during taking nail, so as to avoid fracture site from being damaged again.
Description
Technical field
The present invention relates to the field of medical instrument technology, specially a kind of orthopedic nail extractor convenient for taking out broken nail.
Background technique
Orthopaedics is one of most common department of various big hospital, main dissection, physiology and the pathology for studying skeletal musculature,
The normal morphology and function of this system are kept and developed with drug, operation and physical method.With the change in epoch and society
More, injury of orthopaedics department spectrum has apparent variation, for example, the diseases such as tuberculous osteoarthropathy, osteomyelitis, infantile paralysis significantly reduce,
Wound caused by traffic accident increased significantly.
It in fracture operation, usually to use fixed plate and fracture site is fixed in steel nail, steel nail is implanted into human body one
It also needs to take out after the section time, can be connected with skeleton due to there is the intracorporal steel nail of people for a long time, so that medical staff exists
It takes and is easy to be broken when nail to break in the inside of bone, and traditional nail-fetching device is needed when taking out the broken nail in bone in broken nail
Around open up circular groove, be easily damaged fracture site again, bring secondary injury to patient.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of orthopedic nail extractor convenient for taking out broken nail, biography is solved
The nail-fetching device of system needs to open up circular groove around broken nail, easily makes fracture site again when taking out the broken nail in bone
The problem of being damaged, bringing secondary injury to patient.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme: a kind of orthopedic nail extractor convenient for taking out broken nail, packet
Support plate is included, connecting rod is fixedly connected at left and right sides of the support plate lower surface, and connecting rod is arranged in limiting slot
Interior, the bottom end of the connecting rod is fixedly connected with slide plate, and the left and right ends of the slide plate are slidably connected at limiting slot inner wall respectively
In the sliding slot that left and right sides open up, the lower surface of the slide plate connects by the way that the lower surface of spring and limiting slot inner wall is fixed
It connects, the limiting slot is provided with the top of support rod, and the bottom end of the support rod is connected with first bearing, in the first bearing
It is socketed with first rotating shaft, the bottom end of the first rotating shaft is fixedly connected with fixed block, and the lower surface of the fixed block offers recessed
Slot is connected with second bearing in the middle part of the support plate upper surface, is socketed with the second shaft in the second bearing, and described second
The bottom end of shaft is connected with nut, and the nut internal screw thread is connected with threaded rod, and the bottom end of the threaded rod is fixedly connected with silk
Cone, the top of second shaft is fixedly connected with feed arrangement.
Preferably, the feed arrangement includes wheel disc, and the middle part of the wheel disc lower surface and the top of the second shaft are fixed
Connection, the position that the center of circle is deviateed in the wheel disc upper surface are fixedly connected with rocking bar.
Preferably, the outer surface of the connecting rod is provided with rubber ring, and the inner surface of rubber ring and connecting rod is outer
Surface overlap joint, and the lower surface of rubber ring is fixedly connected with the upper surface of support rod.
Preferably, the connecting rod and the equal rectangle of the shape of limiting slot, the outer diameter of the connecting rod and limiting slot
Internal diameter is adapted.
Preferably, the shape of the groove is arc, and the inner surface of groove is fixedly connected with silicagel pad.
Preferably, the shape of the slide plate is rectangle, and the width of slide plate is greater than the width of connecting rod.
(3) beneficial effect
The present invention provides it is a kind of convenient for take out broken nail orthopedic nail extractor, have it is following the utility model has the advantages that
(1), should convenient for take out broken nail orthopedic nail extractor, by be arranged feed arrangement, when screw tap be located at broken nail just on
Fang Shi first applies downward thrust to support plate until the bottom end of screw tap is connected with the top of broken nail, then needs medical care people
Member's rotating rocker is simultaneously rotated in a clockwise direction it, and rocking bar can drive the second shaft to exist during rotation by wheel disc
To moving synchronously in second bearing, screw tap is rotated on the top of broken nail, and screw tap meeting during rotation exists
The inside of broken nail opens up internal screw thread and to the movement of the direction of broken nail bottom end, can pass through connecting rod pair when moving down due to screw tap
Spring applies downward pressure, and spring is compressed, so that spring under the effect of the pressure can be using the elasticity of itself to connection
Bar applies upward elastic force, so that screw tap can also apply upward pulling force until disconnected during opening up internal screw thread to broken nail
Nail opens up circular groove by being detached from bone, so that can be avoided during taking nail around broken nail, so as to
Enough fracture site is avoided to be damaged again.
(2), bone should be placed in groove, by the way that groove is arranged so that fixed convenient for the orthopedic nail extractor for taking out broken nail
Connection between block and bone can more agree with, so as to improve the support effect of fixed block, by the way that silicagel pad, silica gel is arranged
Pad is capable of increasing the frictional force between groove and bone, so that groove will not shift easily after connecting with bone, so as to
It is enough to play a very good protection to the surface of bone, so as to avoid bone by secondary injury.
(3), should be convenient for the orthopedic nail extractor of taking-up broken nail, by setting slide plate and sliding slot, the width of slide plate is greater than connection
The width of bar, so as to prevent connecting rod during moving up and down by being detached from limiting slot, by the way that rubber is arranged
Circle, rubber ring can prevent dirt from entering in limiting slot during connecting rod surface moves up and down, and structure of the invention
Compact, design is rationally, practical.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure that the present invention faces；
Fig. 2 is the structural schematic diagram that the present invention faces；
Fig. 3 is the structural schematic diagram that screw tap of the present invention is looked up.
In figure: 1 support plate, 2 connecting rods, 3 limiting slots, 4 support rods, 5 slide plates, 6 springs, 7 sliding slots, 8 first bearings, 9
One shaft, 10 fixed blocks, 11 grooves, 12 silicagel pads, 13 second bearings, 14 second shafts, 15 nuts, 16 threaded rods, 17 screw taps,
18 rubber rings, 19 feed arrangements, 191 wheel discs, 192 rocking bars.
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.
As shown in Figure 1-3, the present invention provides a kind of technical solution: a kind of orthopedic nail extractor convenient for taking out broken nail, including
Support plate 1 is fixedly connected to connecting rod 2, the equal square of the shape of connecting rod 2 and limiting slot 3 at left and right sides of 1 lower surface of support plate
The outer diameter of shape, connecting rod 2 is adapted with the internal diameter of limiting slot 3, by the way that limiting slot 3 is arranged, so that connecting rod 2 is upper
Can be more stable during lower movement, and connecting rod 2 is arranged in limiting slot 3, and the bottom end of connecting rod 2 is fixedly connected with cunning
Plate 5, the outer surface of connecting rod 2 is provided with rubber ring 18, and the outer surface of the inner surface of rubber ring 18 and connecting rod 2 overlaps,
And the lower surface of rubber ring 18 is fixedly connected with the upper surface of support rod 4, and by the way that rubber ring 18 is arranged, rubber ring 18 is being connected
2 surface of bar can prevent dirt from entering in limiting slot 3 during moving up and down, the left and right ends of slide plate 5 company of sliding respectively
It connects in the sliding slot 7 that 3 inner wall left and right sides of limiting slot open up, the lower surface of slide plate 5 passes through spring 6 and 3 inner wall of limiting slot
Lower surface be fixedly connected, the shape of slide plate 5 is rectangle, and the width of slide plate 5 is greater than the width of connecting rod 2, passes through setting
Slide plate 5 and sliding slot 7, the width of slide plate 5 is greater than the width of connecting rod 2, so as to prevent connecting rod 2 in the process moved up and down
In by being detached from limiting slot 3, limiting slot 3 is provided with the top of support rod 4, and the bottom end of support rod 4 is connected with first bearing
8, first rotating shaft 9 is socketed in first bearing 8, and by setting first rotating shaft 9 and first bearing 8, fixed block 10 can be by the
One shaft 9 rotates in first bearing 8, so that the connection between groove 11 and bone can more agree with, the bottom of first rotating shaft 9
End is fixedly connected with fixed block 10, and the lower surface of fixed block 10 opens up fluted 11, and the shape of groove 11 is arc, and groove
11 inner surface is fixedly connected with silicagel pad 12, by be arranged groove 11, bone is placed in groove 11 so that fixed block 10 with
Connection between bone can more agree with, so as to improve the support effect of fixed block 10, by the way that silicagel pad 12, silica gel is arranged
Pad 12 is capable of increasing the frictional force between groove 11 and bone, so that groove 11 will not shift easily after connecting with bone,
It plays a very good protection so as to the surface to bone, so as to avoid bone by secondary injury, in support plate 1
It is connected with second bearing 13 in the middle part of surface, the second shaft 14, the bottom end clamping of the second shaft 14 are socketed in second bearing 13
There is nut 15, by setting nut 15 and threaded rod 16, consequently facilitating people replace screw tap 17,15 internal screw thread of nut is connected with spiral shell
Rasp bar 16, the bottom end of threaded rod 16 are fixedly connected with screw tap 17, and the top of the second shaft 14 is fixedly connected with feed arrangement 19, into
It include wheel disc 191 to device 19, the middle part of 191 lower surface of wheel disc is fixedly connected with the top of the second shaft 14, table on wheel disc 191
The position that the center of circle is deviateed in face is fixedly connected with rocking bar 192, by setting feed arrangement 19 and spring 6, when screw tap 17 bottom end with
It when the top of broken nail is connected, needs medical staff's rotating rocker 192 and is rotated in a clockwise direction it, enable screw tap 17
It is rotated on the top of broken nail, and screw tap 17 in the inside of broken nail can open up internal screw thread during rotation and to broken nail bottom end
Direction is mobile, can apply downward pressure when moving down due to screw tap 17 to spring 6 by connecting rod 2, spring 6 is pressed
Contracting, so that spring 6 can apply upward elastic force to connecting rod 2 using the elasticity of itself under the effect of the pressure, so that screw tap
17 can also apply upward pulling force until broken nail in bone by being detached from during opening up internal screw thread to broken nail.
In use, first bone is placed in groove 11, and carry out a small range it is mobile make screw tap 17 be located at broken nail just on
Then side applies downward thrust to support plate 1 until the bottom end of screw tap 17 is connected with the top of broken nail, subsequently needs to cure
Shield personnel rotating rocker 192 is simultaneously rotated in a clockwise direction it, and rocking bar 192 can pass through wheel disc 191 during rotation
It drives the second shaft 14 to move synchronously in second bearing 13, screw tap 17 is rotated on the top of broken nail, and silk
Cone 17 during rotation can the inside of broken nail open up internal screw thread and to the direction of broken nail bottom end it is mobile, due to screw tap 17 to
Downward pressure can be applied when lower mobile to spring 6 by connecting rod 2, spring 6 is compressed, so that work of the spring 6 in pressure
Upward elastic force can be applied to connecting rod 2 using the elasticity of itself with lower, so that screw tap 17 is during opening up internal screw thread
Also it can apply upward pulling force to broken nail until broken nail in bone by being detached from.
It can to sum up obtain, it (1), should be convenient for the orthopedic nail extractor of taking-up broken nail, by the way that feed arrangement 19 is arranged, when 17, screw tap
When the surface of broken nail, downward thrust first is applied to support plate 1 until the bottom end of screw tap 17 is connected with the top of broken nail,
Then it needs medical staff's rotating rocker 192 and is rotated in a clockwise direction it, rocking bar 192 can lead to during rotation
Crossing wheel disc 191 drives the second shaft 14 to move synchronously in second bearing 13, enables screw tap 17 on the top of broken nail
Rotation, and screw tap 17 can open up internal screw thread in the inside of broken nail during rotation and move to the direction of broken nail bottom end, by
Downward pressure can be applied to spring 6 by connecting rod 2 when screw tap 17 moves down, spring 6 is compressed, so that spring 6
Upward elastic force can be applied to connecting rod 2 using the elasticity of itself under the effect of the pressure, so that screw tap 17 is opening up interior spiral shell
Also it can apply upward pulling force during line to broken nail until broken nail in bone by being detached from, so that in the process for taking nail
In can be avoided and open up circular groove around broken nail, so as to avoid fracture site from being damaged again.
(2), bone should be placed in groove 11 by setting groove 11 convenient for the orthopedic nail extractor for taking out broken nail, so that
Connection between fixed block 10 and bone can more agree with, so as to improve the support effect of fixed block 10, by the way that silicon is arranged
Rubber mat 12, silicagel pad 12 are capable of increasing the frictional force between groove 11 and bone, so that groove 11 will not be light after connecting with bone
It easily shifts, plays a very good protection so as to the surface to bone, so as to avoid bone by secondary wound
Evil.
(3), should be convenient for the orthopedic nail extractor of taking-up broken nail, by setting slide plate 5 and sliding slot 7, the width of slide plate 5, which is greater than, to be connected
The width of extension bar 2, so as to prevent connecting rod 2 from, by being detached from limiting slot 3, passing through setting during moving up and down
Rubber ring 18, rubber ring 18 can prevent dirt from entering in limiting slot 3 during 2 surface of connecting rod moves up and down, and
Structure of the invention is compact, and design is rationally, practical.
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 (6)
1. a kind of orthopedic nail extractor convenient for taking out broken nail, including support plate (1), it is characterised in that: support plate (1) following table
It is fixedly connected at left and right sides of face connecting rod (2), and connecting rod (2) setting is interior in limiting slot (3), the connecting rod
(2) bottom end is fixedly connected with slide plate (5), and the left and right ends of the slide plate (5) are slidably connected at limiting slot (3) inner wall left side respectively
In the sliding slot (7) that right two sides open up, the lower surface of the slide plate (5) passes through the following table of spring (6) and limiting slot (3) inner wall
Face is fixedly connected, and the limiting slot (3) is provided with the top of support rod (4), and the bottom end of the support rod (4) is connected with first axle
It holds (8), is socketed with first rotating shaft (9) in the first bearing (8), the bottom end of the first rotating shaft (9) is fixedly connected with fixation
The lower surface of block (10), the fixed block (10) opens up fluted (11), and is connected in the middle part of support plate (1) upper surface
Two bearings (13), the second bearing (13) is interior to be socketed with the second shaft (14), and the bottom end of second shaft (14) is connected with
Nut (15), nut (15) internal screw thread are connected with threaded rod (16), and the bottom end of the threaded rod (16) is fixedly connected with silk
It bores (17), the top of second shaft (14) is fixedly connected with feed arrangement (19).
2. a kind of orthopedic nail extractor convenient for taking out broken nail according to claim 1, it is characterised in that: the feed arrangement
It (19) include wheel disc (191), the middle part of wheel disc (191) lower surface is fixedly connected with the top of the second shaft (14), described
The position that the center of circle is deviateed in wheel disc (191) upper surface is fixedly connected with rocking bar (192).
3. a kind of orthopedic nail extractor convenient for taking out broken nail according to claim 1, it is characterised in that: the connecting rod
(2) outer surface is provided with rubber ring (18), and the outer surface of the inner surface of rubber ring (18) and connecting rod (2) overlaps, and
And the lower surface of rubber ring (18) is fixedly connected with the upper surface of support rod (4).
4. a kind of orthopedic nail extractor convenient for taking out broken nail according to claim 1, it is characterised in that: the connecting rod
(2) it is mutually fitted with the equal rectangle of shape of limiting slot (3), the internal diameter of the outer diameter and limiting slot (3) of the connecting rod (2)
Match.
5. a kind of orthopedic nail extractor convenient for taking out broken nail according to claim 1, it is characterised in that: the groove (11)
Shape be arc, and the inner surface of groove (11) is fixedly connected with silicagel pad (12).
6. a kind of orthopedic nail extractor convenient for taking out broken nail according to claim 1, it is characterised in that: the slide plate (5)
Shape be rectangle, and the width of slide plate (5) be greater than connecting rod (2) width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810662995.6A CN109009404A (en) | 2018-06-25 | 2018-06-25 | A kind of orthopedic nail extractor convenient for taking out broken nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810662995.6A CN109009404A (en) | 2018-06-25 | 2018-06-25 | A kind of orthopedic nail extractor convenient for taking out broken nail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109009404A true CN109009404A (en) | 2018-12-18 |
Family
ID=64610666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810662995.6A Withdrawn CN109009404A (en) | 2018-06-25 | 2018-06-25 | A kind of orthopedic nail extractor convenient for taking out broken nail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109009404A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111227924A (en) * | 2020-02-18 | 2020-06-05 | 河南省洛阳正骨医院（河南省骨科医院） | Nail equipment is got to orthopedics convenient to maintain |
| CN111743585A (en) * | 2020-07-08 | 2020-10-09 | 潘庆亮 | Auxiliary device for taking out subcutaneous implant for contraception |
| CN112656502A (en) * | 2020-12-10 | 2021-04-16 | 郑娟 | Clinical disconnected nail remove device that uses of orthopedic surgery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203436373U (en) * | 2013-07-25 | 2014-02-19 | 朱洪新 | Pericardiocentesis fixed needle |
| CN203634245U (en) * | 2014-01-02 | 2014-06-11 | 张鹏 | Orthopedic department drill |
| CN105997229A (en) * | 2016-05-03 | 2016-10-12 | 丽水市人民医院 | Nail removal device for orthopedics department |
| CN206453843U (en) * | 2016-11-09 | 2017-09-01 | 漯河医学高等专科学校 | A kind of device for taking out broken nail of Orthopeadic Surgery |
| CN207125771U (en) * | 2017-02-20 | 2018-03-23 | 郑州大学第二附属医院 | A kind of guiding puncture device |
-
2018
- 2018-06-25 CN CN201810662995.6A patent/CN109009404A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203436373U (en) * | 2013-07-25 | 2014-02-19 | 朱洪新 | Pericardiocentesis fixed needle |
| CN203634245U (en) * | 2014-01-02 | 2014-06-11 | 张鹏 | Orthopedic department drill |
| CN105997229A (en) * | 2016-05-03 | 2016-10-12 | 丽水市人民医院 | Nail removal device for orthopedics department |
| CN206453843U (en) * | 2016-11-09 | 2017-09-01 | 漯河医学高等专科学校 | A kind of device for taking out broken nail of Orthopeadic Surgery |
| CN207125771U (en) * | 2017-02-20 | 2018-03-23 | 郑州大学第二附属医院 | A kind of guiding puncture device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111227924A (en) * | 2020-02-18 | 2020-06-05 | 河南省洛阳正骨医院（河南省骨科医院） | Nail equipment is got to orthopedics convenient to maintain |
| CN111743585A (en) * | 2020-07-08 | 2020-10-09 | 潘庆亮 | Auxiliary device for taking out subcutaneous implant for contraception |
| CN111743585B (en) * | 2020-07-08 | 2021-06-08 | 潘庆亮 | Auxiliary device for taking out subcutaneous implant for contraception |
| CN112656502A (en) * | 2020-12-10 | 2021-04-16 | 郑娟 | Clinical disconnected nail remove device that uses of orthopedic surgery |
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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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181218 |