CN110464443A - A kind of operation device for fetching nail for orthopaedic medical treatment - Google Patents
A kind of operation device for fetching nail for orthopaedic medical treatment Download PDFInfo
- Publication number
- CN110464443A CN110464443A CN201910811145.2A CN201910811145A CN110464443A CN 110464443 A CN110464443 A CN 110464443A CN 201910811145 A CN201910811145 A CN 201910811145A CN 110464443 A CN110464443 A CN 110464443A
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- top plate
- screw rod
- nail
- medical treatment
- operation device
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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 operation device for fetching nail for orthopaedic medical treatment, are related to medical instruments field；The device for fetching nail includes supporting mechanism and nail extracting machine；The supporting mechanism includes top plate and the support frame for being symmetrically arranged on top plate two sides of the bottom；The nail extracting machine includes screw shell and the precession screw rod that is arranged in screw shell；Splined shaft is rotatably connected in the middle part of support frame as described above, the upper end of splined shaft is connected with actuator；The keyway matched with splined shaft is offered at the top of the precession screw rod, splined shaft is plugged in keyway；The top of the screw shell passes through connector and top plate detachable connection integrally formed with connection ring, connection ring.Device for fetching nail of the invention, by being arranged the supporting mechanism that can be separated from each other and nail extracting machine, nail extracting machine can be removed exclusive use by when work, to meet different use demands, greatly improve the flexibility of single unit system.
Description
Technical field
The present invention relates to medical instruments field, specifically a kind of operation device for fetching nail for orthopaedic medical treatment.
Background technique
Bone nail is that bone engages non-active surgical metals implantation material, by cortex bone nail (full thread and half-thread) and cancellous bone
Follow closely (full thread and half-thread) composition.During orthopaedic medical treatment, it is often necessary in the et al. Ke bone nail of patient, to assist
The rehabilitation of patient is taken out after bone recovery, then by bone nail.
It is at present fixed setting mostly for the taking-up apparatus of bone nail, in use, single unit system is first fixed on hospital bed
Or on operating table, then carry out taking nail work again.But when taking out work for the bone nail at certain positions, using fixed setting
Device for fetching nail can not carry out flexible modulation, there are certain inconvenience.
Summary of the invention
The purpose of the present invention is to provide a kind of operation device for fetching nail for orthopaedic medical treatment, to solve the above problems.
To achieve the above object, the invention provides the following technical scheme:
A kind of operation device for fetching nail for orthopaedic medical treatment, including supporting mechanism and nail extracting machine；The supporting mechanism includes top
Plate and the support frame for being symmetrically arranged on top plate two sides of the bottom, the end of support frame is provided with clamp assemblies；The nail extracting machine packet
The precession screw rod for including screw shell and being arranged in screw shell, the lower end of precession screw rod are fixed with the company for installing connector
Joint chair；Splined shaft is rotatably connected in the middle part of the top, the upper end of splined shaft is connected with actuator；The top of the precession screw rod
Portion offers the keyway matched with splined shaft, and splined shaft is plugged in keyway；The top of the screw shell integrally formed with
Connection ring, connection ring pass through connector and top plate detachable connection.
In further embodiment: the clamp assemblies include the C-type clamp for being shaped in support frame end, in C-type clamp
Sliding is arranged with the pressing plate that can be moved along the vertical direction, augering screw is rotatably connected at the top of pressing plate, augering screw passes through
It is threadedly engaged connection C-type clamp.
In further embodiment: the connector includes multiple motion bars circumferentially equidistantly laid；The motion bar
Sliding is threaded through in the strip-shaped hole for being opened in top plate along the vertical direction, and pressing plate, the company of rotation on top plate are fixed at the top of motion bar
It is connected to the limited block moved down for limiting pressing plate, body of rod periphery of the motion bar between pressing plate and top plate is arranged with bullet
Spring, the bottom of motion bar are fixed with locating piece, and locating piece is in "-" type；It offers in the connection ring and is corresponded with motion bar
The perforation of setting, perforation are made of in the first cross hole body and section in the second hole body of "-" type section, the first hole body
Positioned at the lower section of the second hole body；The locating piece is fastened in the second hole body.
In further embodiment: the side top of the precession screw rod is further fixed on symmetrically arranged bull stick.
In further embodiment: the bottom of the attachment base offers mounting groove, and the slot bottom of mounting groove is fixed with magnetic
Block.
In further embodiment: being additionally provided with Skidproof soft cushion on the bracket.
In further embodiment: the top of support frame as described above is slidably mounted on the bottom of top plate, top plate by guideway
Lower rotation be connected with adjusting screw rod, adjust screw rod through support frame and by being threadedly engaged connection support frame, adjust screw rod
End be fixed with lever.
Compared to the prior art, beneficial effects of the present invention are as follows:
Device for fetching nail of the invention, by being arranged the supporting mechanism that can be separated from each other and nail extracting machine, when work, can will be taken
Nailing machine structure removes exclusive use, to meet different use demands, greatly improves the flexibility of single unit system.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the schematic perspective view of nail extracting machine in the present invention.
Fig. 3 is the present invention looks up structural representation of middle punch of the present invention.
Fig. 4 is the structural schematic diagram of attachment base in the present invention.
Appended drawing reference annotation: 1- top plate, 11- strip-shaped hole, 2- support frame, 21- guideway, 31-C type folder, 32- pressing plate, 33-
Augering screw, 41- adjust screw rod, 42- lever, 5- screw shell, 51- connection ring, 511- perforation, the first hole body of 5111-,
The second hole body of 5112-, 52- bracket, 6- precession screw rod, 61- attachment base, 611- mounting groove, 612- magnetic block, 62- keyway, 63-
Bull stick, 7- splined shaft, 71- actuator, 8- motion bar, 81- pressing plate, 82- spring, 83- locating piece, 84- limited block.
Specific embodiment
Following embodiment can be described in detail the present invention in conjunction with attached drawing, in attached drawing or explanation, similar or identical part
Using identical label, and in practical applications, shape, thickness or the height of each component can be expanded or shunk.Institute of the present invention
Each embodiment enumerated is only to illustrate the present invention, is not used to limit the scope of the present invention.It is made for the present invention any aobvious
And modification easy to know or change are without departure from spirit and scope of the invention.
Embodiment 1
Please refer to Fig. 1~4, in the embodiment of the present invention, a kind of operation device for fetching nail for orthopaedic medical treatment, including supporting mechanism and
Nail extracting machine；The supporting mechanism includes top plate 1 and the support frame 2 for being symmetrically arranged on 1 two sides of the bottom of top plate, the end of support frame 2
End is provided with clamp assemblies；The nail extracting machine includes screw shell 5 and the precession screw rod 6 that is arranged in screw shell 5, precession
The lower end of screw rod 6 is fixed with the attachment base 61 for installing connector, in use, being fixed on single unit system by clamp assemblies
Operating table or hospital bed engage connector with bone nail, then rotate precession screw rod 6 and carry out taking nail work.
The middle part of the top plate 1 is rotatably connected to splined shaft 7, and the upper end of splined shaft 7 is connected with actuator 71；The precession
The top of screw rod 6 offers the keyway 62 matched with splined shaft 7, and splined shaft 7 is plugged in keyway 62, so that precession spiral shell
Bar 6 can either drive precession screw rod 6 to rotate, and can be along the axial movement of precession screw rod 6；The top of the screw shell 5
Integrally formed with connection ring 51, connection ring 51 is by connector and 1 detachable connection of top plate, and this makes it possible to by screw shell
5 remove from top plate 1, and since splined shaft 7 can be extracted out from keyway 62, enable nail extracting machine complete with supporting mechanism
It is detached to be used alone.
In summary, the device for fetching nail in the present embodiment, by the way that the supporting mechanism that can be separated from each other is arranged and takes nailing machine
Nail extracting machine can be removed exclusive use by structure, when work, to meet different use demands, be greatly improved whole
The flexibility of body device.
Without limitation, in the present embodiment, the clamp assemblies include being shaped in the specific structure of the clamp assemblies
The C-type clamp 31 of 2 end of support frame, the interior sliding of C-type clamp 31 are arranged with the pressing plate 32 that can be moved along the vertical direction, the top of pressing plate 32
Portion is rotatably connected to augering screw 33, and augering screw 33 is by being threadedly engaged connection C-type clamp 31.
The actuator 71 can be to be driven by electricity part or manual actuation part, and in the present embodiment, the actuator 71 is
Handle adopts the driving for manually carrying out precession screw rod 6, artificial control is more accurate, and in practical application mistake
Cheng Zhong can also carry out the driving of precession screw rod 6 using motor, play labour-saving effect.
The specific structure of the connector equally without limitation, only need to meet removable requirement, for example, by using spiral shell
Bolt auxiliary structure or buckle structure etc., in order to simplify disassembling operations, in the present embodiment, the connector include it is multiple circumferentially etc.
Motion bar 8 away from laying；The motion bar 8 slides be threaded through in the strip-shaped hole 11 for being opened in top plate 1 along the vertical direction, motion bar
8 top is fixed with pressing plate 81, and the limited block 84 moved down for limiting pressing plate 81, motion bar 8 are rotatably connected on top plate 1
Body of rod periphery between pressing plate 81 and top plate 1 is arranged with spring 82, and the bottom of motion bar 8 is fixed with locating piece 83, positioning
Block 83 is in "-" type；The perforation 511 being arranged in a one-to-one correspondence with motion bar 8 is offered in the connection ring 51, perforation 511 is by section
It is formed in the first cross hole body 5111 and section in the second hole body 5112 of "-" type, the first hole body 5111 is located at the second hole
The lower section of body 5112；The locating piece 83 is fastened in the second hole body 5112, in the assembled state, locating piece 83 and the second hole body
5112 is vertical, and the deduction of locating piece 83 at this time is in the junction of the first hole body 5111 and the second hole body 5112, by 84 pairs of work of limited block
Lever 8 is limited, and prevents it from moving down, to complete the connection of connection ring 51 and top plate 1, and needs to dismount nail extracting machine
When, then it only needs rotary spacing block 84 to release its limit for motion bar 8, pressing plate 84 is then pressed down on, so that locating piece 83
It is detached from and cooperates with the first hole body 5111, spring 82 is compressed at this time, is finally rotated further by motion bar 8 and is made locating piece 83 and the second hole
Body 5112 is overlapped, and under the action of 82 back stretch of spring, locating piece 83 will pass through perforation 511, to release connection ring 51
With the connection between top plate 1, operate simple and fast.
Optionally, in the present embodiment, the side top of the precession screw rod 6 is further fixed on symmetrically arranged bull stick 63, side
Just nail extracting machine monomer using when precession screw rod 6 is operated.
Optionally, in the present embodiment, the bottom of the attachment base 61 offers mounting groove 611, and the slot bottom of mounting groove 611 is solid
Surely there is magnetic block 612, so as to be attached the dismounting of head, the convenient difference for spicule replaces different connectors.
Optionally, in the present embodiment, it is additionally provided with Skidproof soft cushion on the bracket 52, improves the support for patient's trunk
Stability.
Embodiment 2
The embodiment of the present invention has carried out functions expanding on the basis of embodiment 1, specifically:
The top of support frame as described above 2 is slidably mounted on the bottom of top plate 1 by guideway 21, and the lower rotation of top plate 1 is connected with
Screw rod 41 is adjusted, adjust screw rod 41 through support frame 2 and connects support frame 2 by being threadedly engaged, the end for adjusting screw rod 41 is solid
Surely there is lever 42, this makes it possible to adjust screw rod 41 by rotation the distance between frame 2 supported on both sides is adjusted, thus
Meet the use of different in width operating table or hospital bed.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of operation device for fetching nail for orthopaedic medical treatment, including supporting mechanism and nail extracting machine；The supporting mechanism includes
Top plate (1) and the support frame (2) for being symmetrically arranged on top plate (1) two sides of the bottom, the end of support frame (2) are provided with clamp assemblies；
The nail extracting machine includes screw shell (5) and the precession screw rod (6) being arranged in screw shell (5), under precession screw rod (6)
End is fixed with the attachment base (61) for installing connector；
It is characterized in that, being rotatably connected to splined shaft (7) in the middle part of the top plate (1), the upper end of splined shaft (7) is connected with driving
Part (71)；The keyway (62) matched with splined shaft (7) is offered at the top of the precession screw rod (6), splined shaft (7) is plugged in
In keyway (62)；The top of the screw shell (5) passes through connector and top integrally formed with connection ring (51), connection ring (51)
Plate (1) detachable connection.
2. the operation device for fetching nail according to claim 1 for orthopaedic medical treatment, which is characterized in that the clamp assemblies packet
The C-type clamp (31) for being shaped in support frame (2) end is included, sliding is arranged with and can move along the vertical direction in C-type clamp (31)
Pressing plate (32), be rotatably connected to augering screw (33) at the top of pressing plate (32), augering screw (33) is by being threadedly engaged connection C
Type presss from both sides (31).
3. the operation device for fetching nail according to claim 2 for orthopaedic medical treatment, which is characterized in that the connector includes
Multiple motion bars (8) circumferentially equidistantly laid；The motion bar (8) is slided to be threaded through along the vertical direction is opened in top plate (1)
Strip-shaped hole (11) in, be fixed at the top of motion bar (8) pressing plate (81), top plate is rotatably connected on (1) for limiting pressing plate
(81) limited block (84) moved down, the body of rod periphery that motion bar (8) is located between pressing plate (81) and top plate (1) are arranged with bullet
Spring (82), the bottom of motion bar (8) are fixed with locating piece (83), and locating piece (83) is in "-" type；It is opened on the connection ring (51)
Equipped with the perforation (511) being arranged in a one-to-one correspondence with motion bar (8), perforation (511) is in the first cross hole body by section
(5111) it is formed with section in the second hole body (5112) of "-" type, the first hole body (5111) is located under the second hole body (5112)
Side；The locating piece (83) is fastened in the second hole body (5112).
4. the operation device for fetching nail according to claim 3 for orthopaedic medical treatment, which is characterized in that the precession screw rod
(6) side top is further fixed on symmetrically arranged bull stick (63).
5. the operation device for fetching nail according to claim 4 for orthopaedic medical treatment, which is characterized in that the attachment base (61)
Bottom offer mounting groove (611), the slot bottom of mounting groove (611) is fixed with magnetic block (612).
6. the operation device for fetching nail according to claim 5 for orthopaedic medical treatment, which is characterized in that on the bracket (52)
It is additionally provided with Skidproof soft cushion.
7. -6 any operation device for fetching nail for orthopaedic medical treatment according to claim 1, which is characterized in that the support
The top of frame (2) is slidably mounted on the bottom of top plate (1) by guideway (21), and the lower rotation of top plate (1) is connected with adjusting
Screw rod (41) adjusts screw rod (41) through support frame (2) and connects support frame (2) by being threadedly engaged, adjusts screw rod (41)
End is fixed with lever (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910811145.2A CN110464443A (en) | 2019-08-30 | 2019-08-30 | A kind of operation device for fetching nail for orthopaedic medical treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910811145.2A CN110464443A (en) | 2019-08-30 | 2019-08-30 | A kind of operation device for fetching nail for orthopaedic medical treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110464443A true CN110464443A (en) | 2019-11-19 |
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ID=68514220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910811145.2A Pending CN110464443A (en) | 2019-08-30 | 2019-08-30 | A kind of operation device for fetching nail for orthopaedic medical treatment |
Country Status (1)
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| CN (1) | CN110464443A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110974389A (en) * | 2019-12-19 | 2020-04-10 | 吉陪陪 | Orthopedics nail taking device |
| CN113143439A (en) * | 2021-05-06 | 2021-07-23 | 孙海涛 | Novel nail extractor for orthopedics |
| CN114190998A (en) * | 2021-11-17 | 2022-03-18 | 重庆市人民医院 | Gynecological uterine curettage device |
| CN116421292A (en) * | 2023-03-01 | 2023-07-14 | 常州健力邦德医疗器械有限公司 | Implantation traction mechanism of metal intramedullary pin |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110974389A (en) * | 2019-12-19 | 2020-04-10 | 吉陪陪 | Orthopedics nail taking device |
| CN113143439A (en) * | 2021-05-06 | 2021-07-23 | 孙海涛 | Novel nail extractor for orthopedics |
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| CN116421292A (en) * | 2023-03-01 | 2023-07-14 | 常州健力邦德医疗器械有限公司 | Implantation traction mechanism of metal intramedullary pin |
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Application publication date: 20191119 |
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